Verapamil EP Impurity K

Name: Verapamil EP Impurity K
Brand: Vaqora Chemicals
SKU: VQ-028673

About Verapamil EP Impurity K

Listed under CAS 20850-49-1, Verapamil EP Impurity K is a pharmacopeial impurity of Verapamil available from Vaqora Chemicals. Formula C13H17NO2, molecular weight 219.28 g/mol. The IUPAC name is 2-(3,4-dimethoxyphenyl)-3-methylbutanenitrile. Common synonyms include Verapamil Hydrochloride - Impurity K and 2-(3,4-Dimethoxyphenyl)-3-methylbutyronitrile.

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. It carries the GHS signal word “Danger” with 6 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Verapamil to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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 Verapamil

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

Verapamil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Verapamil EP Impurity K
Catalogue No.	VQ-028673
CAS Number	20850-49-1
IUPAC name	2-(3,4-dimethoxyphenyl)-3-methylbutanenitrile
Molecular formula	C₁₃H₁₇NO₂
Molecular weight	219.28 g/mol
Exact mass	219.1259
Grade	Reference Standard
HSN code	38229090
InChIKey	NFXAXMOAVPLEBH-UHFFFAOYSA-N
SMILES	CC(C)C(C#N)C1=CC(=C(C=C1)OC)OC
PubChem CID	89396

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	0 / 3
TPSA	42.3 Å²
Synonyms	Verapamil Hydrochloride - Impurity K, 2-(3,4-Dimethoxyphenyl)-3-methylbutyronitrile, 3,4-Dimethoxy-alpha-(1-methylethyl)benzeneacetonitrile, alpha-Isopropylhomoveratronitrile, alpha-isopropylveratryl cyanide, 2-(3,4-dimethoxyphenyl)-2-isopropylacetonitrile, (2RS)-2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile, 3-Methyl-2-(3,4-dimethoxyphenyl)butyronitrile, Verapamil Impurity K, 2-(3,4-Dimethoxy-phenyl)-3-methyl-butyronitrile, 3,4-Dimethoxy-a-(1-methylethyl)benzeneacetonitrile, Benzeneacetonitrile, 3,4-dimethoxy-alpha-(1-methylethyl)-

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 Verapamil EP Impurity K?

The CAS Registry Number of Verapamil EP Impurity K is 20850-49-1. It is also known as Verapamil Hydrochloride - Impurity K, 2-(3,4-Dimethoxyphenyl)-3-methylbutyronitrile, 3,4-Dimethoxy-alpha-(1-methylethyl)benzeneacetonitrile.

What is the molecular formula and molecular weight of Verapamil EP Impurity K?

Verapamil EP Impurity K has the molecular formula C13H17NO2 and a molecular weight of 219.28 g/mol. Its IUPAC name is 2-(3,4-dimethoxyphenyl)-3-methylbutanenitrile.

What is Verapamil EP Impurity K used for?

Verapamil EP Impurity K is supplied as a characterised reference material related to Verapamil. 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 Verapamil EP Impurity K can I order?

We supply Verapamil EP Impurity K 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 Verapamil EP Impurity K?

Yes. Every lot of Verapamil EP Impurity K 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 Verapamil EP Impurity K be shipped internationally?

Yes. Verapamil EP Impurity K 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.