Ascomycin Impurity 1

Name: Ascomycin Impurity 1
Brand: Vaqora Chemicals
SKU: VQ-042334

About Ascomycin Impurity 1

Ascomycin Impurity 1 (CAS 104987-09-9) is a metabolite or degradation product of Tacrolimus offered by Vaqora Chemicals. Its molecular formula is C42H67NO12 and its molecular weight is 778.0 g/mol.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Analytical teams use this compound to identify metabolites and degradants of Tacrolimus, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Ascomycin Impurity 1 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Tacrolimus

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

Tacrolimus impurities

Specifications & identifiers

Chemical identifiers
Product name	Ascomycin Impurity 1
Catalogue No.	VQ-042334
CAS Number	104987-09-9
IUPAC name	(1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-1,14-dihydroxy-12-[(E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,17,19,21,27-pentamethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
Molecular formula	C₄₂H₆₇NO₁₂
Molecular weight	778 g/mol
Exact mass	777.4663
Grade	Reference Standard
HSN code	38229090
InChIKey	UBQBKOBGHRTZRG-UPAXIQFWSA-N
SMILES	C[C@@H]1C[C@@H]([C@@H]2[C@H](C[C@H]([C@@](O2)(C(=O)C(=O)N3CCCC[C@H]3C(=O)O[C@@H]([C@@H]([C@H](CC(=O)[C@@H](/C=C(/C1)\C)C)O)C)/C(=C/[C@@H]4CC[C@H]([C@@H](C4)OC)O)/C)O)C)OC)OC
PubChem CID	6442095

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	3 / 12
TPSA	178 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 Ascomycin Impurity 1?

The CAS Registry Number of Ascomycin Impurity 1 is 104987-09-9.

What is the molecular formula and molecular weight of Ascomycin Impurity 1?

Ascomycin Impurity 1 has the molecular formula C42H67NO12 and a molecular weight of 778 g/mol.

What is Ascomycin Impurity 1 used for?

Ascomycin Impurity 1 is supplied as a characterised reference material related to Tacrolimus. 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 Ascomycin Impurity 1 can I order?

We supply Ascomycin Impurity 1 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 Ascomycin Impurity 1?

Yes. Every lot of Ascomycin Impurity 1 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 Ascomycin Impurity 1 be shipped internationally?

Yes. We export Ascomycin Impurity 1 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.