Methyl

Name: Methyl
Brand: Vaqora Chemicals
SKU: VQ-043766

About Methyl

Methyl is an impurity of Ledipasvir carrying the CAS registry number 1256391-66-8. With the molecular formula C49H54F2N8O6, it has a molar mass of 889.0 g/mol.

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.

As a characterised impurity of Ledipasvir, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Methyl in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Ledipasvir

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

Ledipasvir impurities

Specifications & identifiers

Chemical identifiers
Product name	Methyl
Catalogue No.	VQ-043766
CAS Number	1256391-66-8
IUPAC name	methyl N-[(2S)-1-[(6S)-6-[5-[9,9-difluoro-7-[2-[(1R,3S,4S)-2-[(2R)-2-(methoxycarbonylamino)-3-methylbutanoyl]-2-azabicyclo[2.2.1]heptan-3-yl]-3H-benzimidazol-5-yl]fluoren-2-yl]-1H-imidazol-2-yl]-5-azaspiro[2.4]heptan-5-yl]-3-methyl-1-oxobutan-2-yl]carbamate
Molecular formula	C₄₉H₅₄F₂N₈O₆
Molecular weight	889 g/mol
Exact mass	888.4134
Grade	Reference Standard
HSN code	38229090
InChIKey	VRTWBAAJJOHBQU-URTAXQKFSA-N
SMILES	CC(C)[C@@H](C(=O)N1CC2(CC2)C[C@H]1C3=NC=C(N3)C4=CC5=C(C=C4)C6=C(C5(F)F)C=C(C=C6)C7=CC8=C(C=C7)N=C(N8)[C@@H]9[C@H]1CC[C@H](C1)N9C(=O)[C@@H](C(C)C)NC(=O)OC)NC(=O)OC
PubChem CID	67507541

Physical properties
Physical form	Solid
LogP (XLogP3)	7.4
H-bond donors / acceptors	4 / 10
TPSA	175 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 Methyl?

The CAS Registry Number of Methyl is 1256391-66-8.

What is the molecular formula and molecular weight of Methyl?

Methyl has the molecular formula C49H54F2N8O6 and a molecular weight of 889 g/mol.

What is Methyl used for?

Methyl is supplied as a characterised reference material related to Ledipasvir. 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 Methyl can I order?

We supply Methyl 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 Methyl?

Yes. Every lot of Methyl 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 Methyl be shipped internationally?

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