Molekula
Bacitracin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Bacitracin is a polypeptide antibiotic primarily used in veterinary medicine to treat bacterial infections, particularly in livestock and poultry, and in topical human applications for skin infections. It inhibits bacterial cell wall synthesis, making it effective against Gram-positive bacteria. This product has a CAS number of 1405-87-4, a molecular formula of C66H103N17O16S, and a molecular weight of 1422.70. It is stored at ambient conditions and carries a signal word of Warning for safety handling. Molekula supplies Bacitracin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £103.30 per pack ex VAT · £123.96 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | A white to cream color powder |
| pH | 5.5 to 7.5 |
| Loss on Drying | ≤5.0% |
| Particle Size | 99% max 30um by volume 95% max 20um by volume 90% max 10um by volume |
| Potency | ≥60 iu/mg |
| Bacitracin A | ≥40% |
| Sum of bacitracin A,B1,B2 and B3 | ≥70% |
| Limit of early eluting peptides | ≤20% |
| Bacitracin F | ≤6.0% |
| Total viable aerobic count | ≤100cfu/gram |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to pale buff powder |
| Odour | Odorless |
| Melting Point | 221 - 225 °C |
| Water Solubility | Freely soluble in water |
| Solubility (other solvents) | Soluble in methanol, alcohol, glacial acetic acid; practically insoluble in acetone, chloroform, ether |
| pKa | pKa1 = 3.19 |
Source: PubChem CID 10909430 (HSDB, Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 64862649 |
| CAS Number | 1405-87-4 |
| IUPAC Name | (4R)-4-[[(2S)-2-[[(4R)-2-[(1S,2S)-1-amino-2-methylbutyl]-4,5-dihydro-1,3-thiazole-4-carbonyl]amino]-4-methylpentanoyl]amino]-5-[[(2S,3S)-1-[[(3S,6R,9S,12R,15S,18R,21S)-3-(2-amino-2-oxoethyl)-18-(3-aminopropyl)-12-benzyl-15-[(2S)-butan-2-yl]-6-(carboxymethyl)-9-(1H-imidazol-5-ylmethyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclopentacos-21-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-5-oxopentanoic acid |
| EC Number | 245-115-9 |
| Molecular Formula | C66H103N17O16S |
| Molecular Weight | 1422.70 |
| Exact Mass | 1421.7489 |
| SMILES | CC[C@H](C)[C@H]1C(=O)N[C@@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)NCCCC[C@@H](C(=O)N[C@@H](C(=O)N1)CCCN)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@@H](CCC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H]2CSC(=N2)[C@H]([C@@H](C)CC)N)CC(=O)N)CC(=O)O)CC3=CN=CN3)CC4=CC=CC=C4 |
| InChIKey | CLKOFPXJLQSYAH-ABRJDSQDSA-N |
| InChI | InChI=1S/C66H103N17O16S/c1-9-35(6)52(69)66-81-48(32-100-66)63(97)76-43(26-34(4)5)59(93)74-42(22-23-50(85)86)58(92)83-53(36(7)10-2)64(98)75-40-20-15-16-25-71-55(89)46(29-49(68)84)78-62(96)47(30-51(87)88)79-61(95)45(28-39-31-70-33-72-39)77-60(94)44(27-38-18-13-12-14-19-38)80-65(99)54(37(8)11-3)82-57(91)41(21-17-24-67)73-56(40)90/h12-14,18-19,31,33-37,40-48,52-54H,9-11,15-17,20-30,32,67,69H2,1-8H3,(H2,68,84)(H,70,72)(H,71,89)(H,73,90)(H,74,93)(H,75,98)(H,76,97)(H,77,94)(H,78,96)(H,79,95)(H,80,99)(H,82,91)(H,83,92)(H,85,86)(H,87,88)/t35-,36-,37-,40-,41+,42+,43-,44+,45-,46-,47+,48-,52-,53-,54-/m0/s1 |
| PubChem CID | 10909430 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2941.90.1050 |
| Tariff Code | 2941900000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H317 May cause an allergic skin reaction
- H373 May cause damage to organs through prolonged or repeated exposure
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Altracin
- Baci-rx
- Baciim
- Baciliquin
- Bacilliquin
- Bacitracina
- Bacitracine
- Bacitracinum
- Fortracin
- Parentracin
Frequently asked questions
What is Bacitracin commonly used for?
Bacitracin is primarily used as an antibiotic, particularly in veterinary medicine for treating bacterial infections in livestock, poultry, and companion animals, as well as in topical ointments for human skin infections.
What is the chemical formula and molecular weight of Bacitracin?
The chemical formula of Bacitracin is **C66H103N17O16S**, and its molecular weight is **1,422.70 g/mol**.
How should Bacitracin be stored?
Bacitracin should be stored at **ambient temperature** in a dry, well-ventilated area, away from direct sunlight and moisture.
What grades or purity levels of Bacitracin does Molekula supply?
Molekula supplies **pharmaceutical-grade Bacitracin** (USP/EP/BP compliant) for applications requiring high purity, as well as **technical-grade** for industrial or veterinary use—confirm your specific needs for exact specifications.
Can Molekula supply Bacitracin in bulk quantities?
Yes, Molekula can provide Bacitracin in **bulk quantities**, with flexible packaging options (e.g., drums, bags) depending on order volume and grade requirements.
What documentation comes with a Bacitracin order from Molekula?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** (e.g., purity reports, stability data) to ensure compliance and traceability.
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