Tylosin B

Name: Tylosin B
Brand: Vaqora Chemicals
SKU: VQ-042552

About Tylosin B

Listed under CAS 11032-98-7, Tylosin B is an impurity of Tylosin available from Vaqora Chemicals. Its molecular formula is C39H65NO14 and its molecular weight is 771.9 g/mol. It is also known as Desmycosin or Tylosin B (Desmycosin).

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Tylosin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

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

Industries

Related to Tylosin

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

Tylosin impurities

Specifications & identifiers

Chemical identifiers
Product name	Tylosin B
Catalogue No.	VQ-042552
CAS Number	11032-98-7
IUPAC name	2-[(4R,5S,6S,7R,9R,11E,13E,15R,16R)-6-[(2R,3R,4S,5S,6R)-4-(dimethylamino)-3,5-dihydroxy-6-methyloxan-2-yl]oxy-16-ethyl-4-hydroxy-15-[[(2R,3R,4R,5R,6R)-5-hydroxy-3,4-dimethoxy-6-methyloxan-2-yl]oxymethyl]-5,9,13-trimethyl-2,10-dioxo-1-oxacyclohexadeca-11,13-dien-7-yl]acetaldehyde
Molecular formula	C₃₉H₆₅NO₁₄
Molecular weight	771.9 g/mol
Exact mass	771.4405
Grade	Reference Standard
HSN code	38229090
InChIKey	QRPHLEPFYLNRDA-NLGRAQRVSA-N
SMILES	CC[C@@H]1[C@H](/C=C(/C=C/C(=O)[C@@H](C[C@@H]([C@@H]([C@H]([C@@H](CC(=O)O1)O)C)O[C@H]2[C@@H]([C@H]([C@@H]([C@H](O2)C)O)N(C)C)O)CC=O)C)\C)CO[C@H]3[C@@H]([C@@H]([C@@H]([C@H](O3)C)O)OC)OC
PubChem CID	6437804

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	4 / 15
TPSA	200 Å²

Safety & hazard information (GHS)

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P233, P260, P261, P264 + P265, P271, P272, P273, P280, P284, P302 + P352, P304 + P340, P305 + P351 + P338, P321, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P391, P403, 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 Tylosin B?

The CAS Registry Number of Tylosin B is 11032-98-7. It is also known as Desmycosin, Tylosin B (Desmycosin), Tylosin, 4A-O-de(2,6-dideoxy-3-C-methyl-alpha-L-ribo-hexopyranosyl)-.

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

Tylosin B has the molecular formula C39H65NO14 and a molecular weight of 771.9 g/mol.

What is Tylosin B used for?

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

We supply Tylosin 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 Tylosin B?

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

Yes. Tylosin B 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.