Streptomycin B

About Streptomycin B

Streptomycin B is an impurity of Streptomycin carrying the CAS registry number 128-45-0. With the molecular formula C27H49N7O17, it has a molar mass of 743.7 g/mol. Common synonyms include Mannosidostreptomycin and mannosylstreptomycin.

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. Good laboratory practice and suitable PPE are recommended during handling.

This Streptomycin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Streptomycin

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

Streptomycin impurities

Specifications & identifiers

Chemical identifiers
Product name	Streptomycin B
Catalogue No.	VQ-033953
CAS Number	128-45-0
IUPAC name	2-[(1R,2R,3S,4R,5R,6S)-3-(diaminomethylideneamino)-4-[(2R,3R,4R,5S)-4-formyl-4-hydroxy-3-[(2S,3S,4S,5R,6S)-4-hydroxy-6-(hydroxymethyl)-3-(methylamino)-5-[(2R,3S,4S,5S,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-5-methyloxolan-2-yl]oxy-2,5,6-trihydroxycyclohexyl]guanidine
Molecular formula	C₂₇H₄₉N₇O₁₇
Molecular weight	743.7 g/mol
Exact mass	743.3185
Grade	Reference Standard
HSN code	38229090
InChIKey	HQXKELRFXWJXNP-ABOIPUQESA-N
SMILES	C[C@H]1[C@@]([C@H]([C@@H](O1)O[C@@H]2[C@H]([C@@H]([C@H]([C@@H]([C@H]2O)O)N=C(N)N)O)N=C(N)N)O[C@H]3[C@H]([C@@H]([C@H]([C@@H](O3)CO)O[C@@H]4[C@H]([C@H]([C@@H]([C@@H](O4)CO)O)O)O)O)NC)(C=O)O
PubChem CID	76971547

Physical properties
Physical form	Solid
LogP (XLogP3)	-10.1
H-bond donors / acceptors	15 / 20
TPSA	416 Å²

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 Streptomycin B?

The CAS Registry Number of Streptomycin B is 128-45-0. It is also known as Mannosidostreptomycin, mannosylstreptomycin.

What is the molecular formula and molecular weight of Streptomycin B?

Streptomycin B has the molecular formula C27H49N7O17 and a molecular weight of 743.7 g/mol.

What is Streptomycin B used for?

Streptomycin B is supplied as a characterised reference material related to Streptomycin. 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 Streptomycin B can I order?

We supply Streptomycin 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 Streptomycin B?

Yes. Every lot of Streptomycin 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 Streptomycin B be shipped internationally?

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