Almotriptan EP Impurity E (Malic Acid)

Name: Almotriptan EP Impurity E (Malic Acid)
Brand: Vaqora Chemicals
SKU: VQ-043646

About Almotriptan EP Impurity E (Malic Acid)

Almotriptan EP Impurity E (Malic Acid) (CAS 1189348-94-4) is a pharmacopeial impurity of Almotriptan offered by Vaqora Chemicals. Formula C21H31N3O8S, molecular weight 485.6 g/mol. Alternative names: Almotriptan EP Impurity E (Malate salt) and Almotriptan Malate N-Oxide.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Almotriptan impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across 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

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

Industries

Related to Almotriptan

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

Almotriptan impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Almotriptan EP Impurity E (Malic Acid)
Catalogue No.	VQ-043646
CAS Number	1189348-94-4
IUPAC name	N,N-dimethyl-2-[5-(pyrrolidin-1-ylsulfonylmethyl)-1H-indol-3-yl]ethanamine oxide;2-hydroxybutanedioic acid
Molecular formula	C₂₁H₃₁N₃O₈S
Molecular weight	485.6 g/mol
Exact mass	485.1832
Grade	Reference Standard
HSN code	38229090
InChIKey	DCLIUSKEXVXBHH-UHFFFAOYSA-N
SMILES	C[N+](C)(CCC1=CNC2=C1C=C(C=C2)CS(=O)(=O)N3CCCC3)[O-].C(C(C(=O)O)O)C(=O)O
PubChem CID	171382644

Physical properties
Physical form	Solid
H-bond donors / acceptors	4 / 9
TPSA	174 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 Almotriptan EP Impurity E (Malic Acid)?

The CAS Registry Number of Almotriptan EP Impurity E (Malic Acid) is 1189348-94-4. It is also known as Almotriptan EP Impurity E (Malate salt), Almotriptan Malate - Impurity E (2-Hydroxysuccinate), Almotriptan Malate N-Oxide.

What is the molecular formula and molecular weight of Almotriptan EP Impurity E (Malic Acid)?

Almotriptan EP Impurity E (Malic Acid) has the molecular formula C21H31N3O8S and a molecular weight of 485.6 g/mol.

What is Almotriptan EP Impurity E (Malic Acid) used for?

Almotriptan EP Impurity E (Malic Acid) is supplied as a characterised reference material related to Almotriptan. 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 Almotriptan EP Impurity E (Malic Acid) can I order?

We supply Almotriptan EP Impurity E (Malic Acid) 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 Almotriptan EP Impurity E (Malic Acid)?

Yes. Every lot of Almotriptan EP Impurity E (Malic Acid) 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 Almotriptan EP Impurity E (Malic Acid) be shipped internationally?

Yes. We export Almotriptan EP Impurity E (Malic Acid) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.