BAC Water 10mL
Pharmaceutical-grade bacteriostatic water 10mL for peptide reconstitution. Contains 0.9% benzyl alcohol preservative. Essential for lyophilised peptide research protocols.

SKU: PW-022
31G × 6mm sterile insulin needles for research use. Ultra-fine gauge, individually wrapped, single-use. Packs of 10.
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Pharmaceutical-grade bacteriostatic water 10mL for peptide reconstitution. Contains 0.9% benzyl alcohol preservative. Essential for lyophilised peptide research protocols.
Sterile 31 gauge × 6mm insulin needles for research use. Individually wrapped, single-use, with safety cap. The 31G ultra-fine gauge and short 6mm length are the standard format for small-volume subcutaneous research protocols.
A finer gauge than our 29G needles, 31G produces a smaller bore for reduced tissue trauma in research models, while the 6mm length suits shallow subcutaneous delivery. Individual blister packing maintains sterility until point of use, and the single-use design prevents cross-contamination between research subjects or samples.
Pairs with our bacteriostatic water for reconstituting lyophilised research peptides.
31 gauge (31G) with a 6mm needle length — an ultra-fine, short format standard for small-volume subcutaneous research protocols.
31G is a finer (smaller bore) gauge than 29G, producing less tissue trauma. The 6mm length is shorter, suiting shallow subcutaneous delivery. Both are sterile and single-use.
Yes — each needle is individually blister-wrapped and sterile. They are single-use only.
Insulin Needles 31G 6mm is sold strictly for in-vitro laboratory and research purposes only. This product is not intended for human consumption, therapeutic use, cosmetic use, or veterinary application. You must be 18 years of age or older to purchase. By purchasing, you confirm that you are a qualified researcher and will use this product in compliance with all applicable laws and regulations.
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29G sterile insulin needles for research use, individually wrapped, single-use. Available in packs of 10, 20, 50 or 100.
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Recent peer-reviewed studies from PubMed related to Insulin Needles 31G. Provided for research context — not medical advice.
Identification and comparison of insulin pharmacokinetics injected with a new 4-mm needle vs 6- and 8-mm needles accounting for endogenous insulin and C-peptide secretion kinetics in non-diabetic adult males
Hirose T, Ogihara T, Tozaka S, et al. · Journal of diabetes investigation · 2013
PMID: 24843668
Hydrophobic Tags for Highly Efficient Light-Activated Protein Release
Nadendla K, Sarode BR, Friedman SH · Molecular pharmaceutics · 2019
PMID: 31117739
Toddlers' diabetes: the lost insulin drop and SemiPens vs. DeciPen
Abul-Ainine AA, Abul-Ainine SA · Pediatric diabetes · 2014
PMID: 25584371
Evaluation of injection force of three insulin delivery pens
Asakura T, Seino H, Kageyama M, et al. · Expert opinion on pharmacotherapy · 2009
PMID: 19466910
Source: U.S. National Library of Medicine (PubMed). Citations are fetched live and cached; inclusion does not imply endorsement of any therapeutic use.