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API Impurities

Rifamycin sodium salt

Reference StandardAvailable on request

Order Rifamycin sodium salt (CAS 14897-39-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
Rifamycin sodium salt chemical structure
CAS number14897-39-3
FormulaC37H46NNaO12
Molar mass719.7 g/mol
Physical formSolid
HS code38229090
InChIKeyYVOFSHPIJOYKSH-NLYBMVFSSA-M

About Rifamycin sodium salt

Zemixal lists Rifamycin sodium salt for laboratories that identify, quantify or control Rifaximin and its related substances. Identity at a glance (Reference Standard): CAS 14897-39-3, formula C37H46NNaO12 and molar mass 719.7 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Rifaximin

See every impurity, metabolite and related compound we list for this API.

Rifaximin standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Rifamycin sodium salt
Product nameRifamycin sodium salt
Catalogue numberZX-026718
CAS number14897-39-3
IUPAC namesodium (7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-13-acetyloxy-2,15,17,29-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-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-27-olate
Molecular formulaC37H46NNaO12
Molar mass719.7 g/mol
Exact mass719.2918
GradeReference Standard
Physical formSolid
H-bond donors / acceptors5 / 12
Topological polar surface area204 Ų
HS code38229090
InChIKeyYVOFSHPIJOYKSH-NLYBMVFSSA-M
SMILESC[C@H]1/C=C/C=C(\C(=O)NC2=CC(=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.[Na+]
PubChem CID23702994
SynonymsRifamycin Sodium, Rifamycin SV sodium, Rifamastene, Rifamycinum natricum, CB-01-11, Rifamycin SV sodium salt, Rifamyzin-Natrium, CB-01-11, Rifamycin SV, Monosodium rifamycin SV, Rifamycin, monosodium salt, Sodium rifomycin SV

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Rifamycin sodium salt
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Rifamycin sodium salt

Which CAS number identifies Rifamycin sodium salt?
Rifamycin sodium salt is registered under CAS 14897-39-3. You may also see it listed as Rifamycin Sodium, Rifamycin SV sodium, Rifamastene. Our catalogue number for this item is ZX-026718.
What are the formula and molar mass of Rifamycin sodium salt?
For Rifamycin sodium salt, its formula is C37H46NNaO12 and its molar mass is 719.7 g/mol. InChIKey YVOFSHPIJOYKSH-NLYBMVFSSA-M lets you match it in any structure database.
How is Rifamycin sodium salt used in pharmaceutical QC?
Rifamycin sodium salt is a characterised reference material linked to Rifaximin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Rifamycin sodium salt?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Rifamycin sodium salt?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Rifamycin sodium salt to my country?
Yes. Because Rifamycin sodium salt is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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