Rifabutin EP Impurity B

Name: Rifabutin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-027799

About Rifabutin EP Impurity B

Rifabutin EP Impurity B (CAS 51756-80-0) is a pharmacopeial impurity of Rifabutin offered by Vaqora Chemicals. Formula C37H46N2O12, molecular weight 710.8 g/mol. Common synonyms include Rifabutin - Impurity B and 3-Aminorifamycin S.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Rifabutin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Rifabutin EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Rifabutin

View every impurity, metabolite and intermediate we list for Rifabutin.

Rifabutin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Rifabutin EP Impurity B
Catalogue No.	VQ-027799
CAS Number	51756-80-0
IUPAC name	[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-26-amino-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	C₃₇H₄₆N₂O₁₂
Molecular weight	710.8 g/mol
Exact mass	710.3051
Grade	Reference Standard
HSN code	38229090
InChIKey	SMPJCQGFZSDIHE-GVDHMVJUSA-N
SMILES	C[C@H]1/C=C/C=C(\C(=O)NC2=C(C(=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)N)/C
PubChem CID	12889622

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	5 / 13
TPSA	221 Å²
Synonyms	Rifabutin - Impurity B, 3-Aminorifamycin S, 3-Amino-1,4-dideoxy-1,4-dihydro-1,4-dioxorifamycin, Rifamycin, 3-amino-1,4-dideoxy-1,4-dihydro-1,4-dioxo-, Rifabutin impurity B, 3-amino-rifamycin S, 3-amino rifamycin S, Rifamycin, 3-aamino-a1,a4-adideoxy-a1,a4-adihydro-a1,a4-adioxo-

Safety & hazard information (GHS)

Hazard statements

H412Harmful to aquatic life with long lasting effects

Precautionary statements: P273, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Rifabutin EP Impurity B?

The CAS Registry Number of Rifabutin EP Impurity B is 51756-80-0. It is also known as Rifabutin - Impurity B, 3-Aminorifamycin S, 3-Amino-1,4-dideoxy-1,4-dihydro-1,4-dioxorifamycin.

What is the molecular formula and molecular weight of Rifabutin EP Impurity B?

Rifabutin EP Impurity B has the molecular formula C37H46N2O12 and a molecular weight of 710.8 g/mol.

What is Rifabutin EP Impurity B used for?

Rifabutin EP Impurity B is supplied as a characterised reference material related to Rifabutin. 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 Rifabutin EP Impurity B can I order?

We supply Rifabutin EP Impurity B 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 Rifabutin EP Impurity B?

Yes. Every lot of Rifabutin EP Impurity B 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 Rifabutin EP Impurity B be shipped internationally?

Yes. We export Rifabutin EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.