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bacteriostatic-water

Page 4 of 5 · 112 questions tagged bacteriostatic-water.

112 questions · sorted by votes · page 4 of 5

15 votes0 answers2.1k views
How is a beyond-use date set for compounded retatrutide in phosphate-buffered diluent?

What I am working with: retatrutide · phosphate-buffered diluent. This is a procedural question rather than a theoretical one, and I would like the procedure rather…

compounding
compounding

Compounded preparations: what a 503A and a 503B facility may legally prepare and when, base versus salt forms, beyond-use dating under USP…

61 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
asked by shear_at_the_front 15k · 38 days ago
14 votes 5 answers28k views
Is liraglutide at 2.5 mg/mL stable enough for four weeks of multi-withdrawal use?

The specifics, since they change the answer: liraglutide · 2.5 mg/mL · four weeks. Somebody stated this to me confidently and I would like to check it before…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by plunger_stop 18k · 2.2 years ago
14 votes5 answers20k views
Is a phosphate-buffered diluent vial still usable twenty-one days after first piercing?

Details up front: phosphate-buffered diluent · twenty-one days. I would like to understand the steps well enough to explain them to someone else. I have access to a…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by grainne_ahearn 13k · 23 months ago
14 votes 5 answers14k views
Is a sterile water for injection vial still usable ten days after first piercing?

The specifics, since they change the answer: sterile water for injection · ten days. I have read the obvious sources and they disagree with each other, so I would…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by imani_dube 19k · 6 months ago
14 votes 5 answers14k views
How is a beyond-use date set for compounded oral semaglutide in bacteriostatic water?

The specifics, since they change the answer: oral semaglutide · bacteriostatic water. I want a method I can write down and repeat, not a rule of thumb. I would rather…

compounding
compounding

Compounded preparations: what a 503A and a 503B facility may legally prepare and when, base versus salt forms, beyond-use dating under USP…

61 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
asked by seamus_brady 17k · 12 months ago
14 votes0 answers7.2k views
How is a beyond-use date set for compounded cagrilintide in 0.9% sodium chloride?

Details up front: cagrilintide · 0.9% sodium chloride. I would like to understand the steps well enough to explain them to someone else. I have access to a…

compounding
compounding

Compounded preparations: what a 503A and a 503B facility may legally prepare and when, base versus salt forms, beyond-use dating under USP…

61 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
asked by cal_hennessy 14k · 8 months ago
13 votes 2 answers5k views
Is survodutide at 2 mg/mL stable enough for ten weeks of multi-withdrawal use?

The case in front of me: survodutide · 2 mg/mL · ten weeks. The claim is plausible, which is exactly why I want to check it. I am able to read a paper if someone…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by nominal_ten 14k · 20 days ago
13 votes0 answers4.7k views
Is a 0.9% sodium chloride vial still usable fourteen days after first piercing?

Setup, so nobody has to ask: 0.9% sodium chloride · fourteen days. This is a procedural question rather than a theoretical one, and I would like the procedure rather…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by jo_vandeberg 19k · 8 months ago
13 votes0 answers3.8k views
Is cagrilintide at 1 mg/mL stable enough for two weeks of multi-withdrawal use?

Numbers first: cagrilintide · 1 mg/mL · two weeks. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by forty_units 14k · 43 days ago
12 votes 5 answers22k views
What is the case for and against 0.9% sodium chloride over eight weeks of withdrawals?

What I am working with: 0.9% sodium chloride · eight weeks. Both of these get recommended confidently by different people, which suggests neither is obviously right.…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by bridget_nyathi 16k · 18 months ago
12 votes 3 answers9.2k views
What is the case for and against sterile water for injection over ten weeks of withdrawals?

The particulars: sterile water for injection · ten weeks. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by swab_stopper 16k · 7 months ago
12 votes 5 answers7.7k views
Is mazdutide at 6.67 mg/mL stable enough for two weeks of multi-withdrawal use?

Numbers first: mazdutide · 6.67 mg/mL · two weeks. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by rania_haddad 17k · 2 months ago
12 votes2 answers7.3k views
Is oral semaglutide at 1 mg/mL stable enough for four weeks of multi-withdrawal use?

The particulars: oral semaglutide · 1 mg/mL · four weeks. Somebody stated this to me confidently and I would like to check it before repeating it. I would accept a…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by swirl_dont_shake 19k · 5 months ago
12 votes3 answers1.6k views
Is retatrutide at 20 mg/mL stable enough for sixteen weeks of multi-withdrawal use?

Setup, so nobody has to ask: retatrutide · 20 mg/mL · sixteen weeks. This is asserted often enough that I assumed it was established, and then I went looking for the…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by harriet_lonsdale 14k · 14 days ago
10 votes3 answers12k views
Is cagrilintide at 6.67 mg/mL stable enough for eight weeks of multi-withdrawal use?

Details up front: cagrilintide · 6.67 mg/mL · eight weeks. I would rather be corrected now than propagate something wrong. I am specifically not interested in a…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by zeynep_arslan 20k · 13 months ago
10 votes 4 answers10k views
Is retatrutide at 2 mg/mL stable enough for six weeks of multi-withdrawal use?

Setup, so nobody has to ask: retatrutide · 2 mg/mL · six weeks. This has the shape of a fact but I cannot find its origin. What I found instead were three secondary…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by bufferline42 49k · 5 months ago
9 votes5 answers9.4k views
Is ecnoglutide at 5 mg/mL stable enough for three weeks of multi-withdrawal use?

Concretely: ecnoglutide · 5 mg/mL · three weeks. I want to know whether there is evidence behind this or only repetition. I have checked the obvious registries and…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by gel_pack_warm 13k · 13 months ago
9 votes5 answers5.4k views
Is a bacteriostatic water vial still usable twenty-eight days after first piercing?

Concretely: bacteriostatic water · twenty-eight days. I have done this once and I suspect I got away with it rather than got it right. For context: I keep records of…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by mz_4113 99k · 20 days ago
9 votes0 answers3.6k views
What is the case for and against phosphate-buffered diluent over sixteen weeks of withdrawals?

What I have: phosphate-buffered diluent · sixteen weeks. I have used one of these for a while and I am considering switching, which requires a reason. What I care…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by cal_hennessy 14k · 5 months ago
8 votes 5 answers12k views
How is a beyond-use date set for compounded mazdutide in 0.9% sodium chloride?

Details up front: mazdutide · 0.9% sodium chloride. I would like to understand the steps well enough to explain them to someone else. I have access to a refrigerator…

compounding
compounding

Compounded preparations: what a 503A and a 503B facility may legally prepare and when, base versus salt forms, beyond-use dating under USP…

61 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
asked by orla_ferriter 47k · 7 months ago
7 votes 5 answers12k views
Is oral semaglutide at 4 mg/mL stable enough for twelve weeks of multi-withdrawal use?

For reference: oral semaglutide · 4 mg/mL · twelve weeks. I would like to know whether this claim survives contact with evidence. If the answer is "nobody has tested…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by swab_stopper 16k · 10 months ago
7 votes 5 answers5.4k views
Does reconstituting survodutide with sterile water for injection change anything I should know about?

The case in front of me: survodutide · sterile water for injection. I want to know whether this is a real physical effect or an artefact of how it is measured. What…

reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

330 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
asked by bea_forsberg 14k · 8 months ago
7 votes 5 answers5.1k views
Is tirzepatide at 2.5 mg/mL stable enough for twelve weeks of multi-withdrawal use?

The specifics, since they change the answer: tirzepatide · 2.5 mg/mL · twelve weeks. I would like to know whether this claim survives contact with evidence. If the…

peptide-stability
peptide-stability

The chemistry of peptide degradation: deamidation, oxidation, hydrolysis, aggregation and fibrillation, and how temperature, pH, ionic strength,…

832 questions
bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by mass_shift_18 14k · 11 months ago
6 votes 5 answers14k views
Is a sterile water for injection vial still usable forty-two days after first piercing?

The specifics, since they change the answer: sterile water for injection · forty-two days. I want a method I can write down and repeat, not a rule of thumb. I would…

bacteriostatic-water
bacteriostatic-water

Water for injection containing roughly 0.9 per cent benzyl alcohol as a bacteriostatic agent. It suppresses growth in a multiple-withdrawal vial;…

112 questions
sterility
sterility

Sterility as a test result rather than an adjective. Covers what a sterility test actually measures, why "sterile filtered" on a document is close…

122 questions
shelf-life
shelf-life

How long a preparation remains within specification: labelled expiry for a sealed lyophilised vial, beyond-use dating after reconstitution, and…

301 questions
asked by esther_vandeVelde 49k · 22 months ago