Molekula
Rifampicin
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
Rifampicin is a semi-synthetic antibiotic used primarily in the treatment of tuberculosis and other bacterial infections. It functions by inhibiting bacterial RNA polymerase. Available with CAS number 13292-46-1, molecular formula C43H58N4O12, and molecular weight 822.94 g/mol, it must be stored at -15 to -20 °C. The substance carries a warning signal word due to potential hazards. Molekula supplies Rifampicin 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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5 g — £108.00 per pack ex VAT · £129.60 inc. VAT
Need a different quantity or pack?
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 | Orange to red/brown powder |
| Identification | Conforms to reference |
| pH | 4.5 - 6.5 |
| Loss on Drying | ≤ 1.0% |
| Sulphated Ash | ≤ 0.1% |
| Water (KF) | ≤ 1.0% |
| Assay (dried basis) | ≥ 96.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Red-brown crystalline powder |
| Odour | Odorless |
| Solubility (other solvents) | Freely soluble in chloroform, soluble in ethyl acetate and in methanol |
| Vapour Pressure | 3.1 × 10⁻³⁴ mmHg at 25 °C (Estimated) |
| pKa | pKa = 1.7 |
| log P (octanol/water) | 4.24 |
Source: PubChem CID 135398735 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 32609202 |
| CAS Number | 13292-46-1 |
| IUPAC Name | [(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17,27,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate |
| EC Number | 236-312-0 |
| Molecular Formula | C43H58N4O12 |
| Molecular Weight | 822.94 |
| Exact Mass | 822.4051 |
| SMILES | C[C@H]1/C=C/C=C(\C(=O)NC2=C(C(=C3C(=C2O)C(=C(C4=C3C(=O)[C@](O4)(O/C=C/[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@H]1O)C)O)C)OC(=O)C)C)OC)C)C)O)O)/C=N/N5CCN(CC5)C)/C |
| InChIKey | JQXXHWHPUNPDRT-WLSIYKJHSA-N |
| InChI | InChI=1S/C43H58N4O12/c1-21-12-11-13-22(2)42(55)45-33-28(20-44-47-17-15-46(9)16-18-47)37(52)30-31(38(33)53)36(51)26(6)40-32(30)41(54)43(8,59-40)57-19-14-29(56-10)23(3)39(58-27(7)48)25(5)35(50)24(4)34(21)49/h11-14,19-21,23-25,29,34-35,39,49-53H,15-18H2,1-10H3,(H,45,55)/b12-11+,19-14+,22-13-,44-20+/t21-,23+,24+,25+,29-,34-,35+,39+,43-/m0/s1 |
| PubChem CID | 135398735 |
| REACH Code | Y110 |
| HTS Code | 29419010 |
| Tariff Code | 2941900000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- EUH070 Toxic by eye contact
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H341 Suspected of causing genetic defects
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P261 Avoid breathing 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- Abrifam
- Eremfat
- Rifa
- Rifaldazine
- Rifampicinum
- rifampin
- Rifamycin AMP
- Rifaprodin
- Rifoldin
- Riforal
Frequently asked questions
What is Rifampicin used for?
Rifampicin is an antibiotic used primarily to treat tuberculosis and other bacterial infections, particularly those caused by Mycobacterium species.
What is the chemical formula and molecular weight of Rifampicin?
The chemical formula of Rifampicin is C43H58N4O12, and its molecular weight is 822.94 g/mol.
How should Rifampicin be stored?
Rifampicin should be stored at temperatures between -15 and -20 °C to maintain stability and prevent degradation.
What grade of Rifampicin does Molekula supply?
Molekula supplies Rifampicin in research-grade purity, suitable for laboratory and non-pharmaceutical applications.
Can Molekula supply Rifampicin in bulk quantities?
Yes, Molekula can supply Rifampicin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Rifampicin order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.