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VAQORARifamycin S
Synonyms: 1,4-Dideoxy-1,4-dihydro-1,4-dioxorifamycin · Rifomycin S · Rifampicin S · Rifamycin, 1,4-dideoxy-1,4-dihydro-1,4-dioxo-
CAS No.13553-79-2
FormulaC37H45NO12
Mol. weight695.80
Catalogue No.VQ-027807
PurityReference Standard
HSN38229090
Rifamycin S (CAS 13553-79-2) – Rifaximin impurity standard. C37H45NO12, MW 695.8. Buy from Vaqora Chemicals with COA and worldwide shipping.
Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Rifamycin S
Vaqora Chemicals supplies Rifamycin S, an impurity of Rifaximin registered under CAS number 13553-79-2. The compound has the formula C37H45NO12, corresponding to a molecular weight of 695.8 g/mol. Alternative names: 1,4-Dideoxy-1,4-dihydro-1,4-dioxorifamycin and Rifomycin S.
The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.
As a characterised impurity of Rifaximin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.
Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Rifamycin S is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Industries
Related to Rifaximin
View every impurity, metabolite and intermediate we list for Rifaximin.
Rifaximin impuritiesSpecifications & identifiers
| Product name | Rifamycin S |
|---|---|
| Catalogue No. | VQ-027807 |
| CAS Number | 13553-79-2 |
| IUPAC name | [(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23,27,29-tetraoxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,19,21,25-heptaen-13-yl] acetate |
| Molecular formula | C37H45NO12 |
| Molecular weight | 695.8 g/mol |
| Exact mass | 695.2942 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | BTVYFIMKUHNOBZ-ODRIEIDWSA-N |
| SMILES | C[C@H]1/C=C/C=C(\C(=O)NC2=CC(=O)C3=C(C2=O)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)/C |
| PubChem CID | 6436726 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 4.1 |
| H-bond donors / acceptors | 4 / 12 |
| TPSA | 195 Ų |
| Synonyms | 1,4-Dideoxy-1,4-dihydro-1,4-dioxorifamycin, Rifomycin S, Rifampicin S, Rifamycin, 1,4-dideoxy-1,4-dihydro-1,4-dioxo-, Rafamycin S, 1,4-Dideoxy-1,4-dioxo-rifamycin |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH371May cause damage to organsH400Very toxic to aquatic lifeH410Very toxic to aquatic life with long lasting effects
Precautionary statements: P260, P264, P270, P273, P301 + P317, P308 + P316, P330, P391, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Rifamycin S?
The CAS Registry Number of Rifamycin S is 13553-79-2. It is also known as 1,4-Dideoxy-1,4-dihydro-1,4-dioxorifamycin, Rifomycin S, Rifampicin S.
What is the molecular formula and molecular weight of Rifamycin S?
Rifamycin S has the molecular formula C37H45NO12 and a molecular weight of 695.8 g/mol.
What is Rifamycin S used for?
Rifamycin S is supplied as a characterised reference material related to Rifaximin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of Rifamycin S can I order?
We supply Rifamycin S in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Rifamycin S?
Yes. Every lot of Rifamycin S is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Rifamycin S be shipped internationally?
Yes. Rifamycin S is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Rifamycin S
We reply within one business day with price, pack options, lead time and documentation.
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