Rivastigmine EP Impurity B

Name: Rivastigmine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-006663

About Rivastigmine EP Impurity B

Rivastigmine EP Impurity B (CAS 25081-93-0) is a pharmacopeial impurity of Rivastigmine offered by Vaqora Chemicals. The compound has the formula C13H20N2O2, corresponding to a molecular weight of 236.31 g/mol. Systematically, it is named [3-[1-(dimethylamino)ethyl]phenyl] N,N-dimethylcarbamate. It is also known as N-dimethyl Rivastigmine or N-Desethyl N-Methyl rac-Rivastigmine.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

This Rivastigmine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Rivastigmine EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Rivastigmine

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

Rivastigmine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Rivastigmine EP Impurity B
Catalogue No.	VQ-006663
CAS Number	25081-93-0
Other CAS	105601-13-6
IUPAC name	[3-[1-(dimethylamino)ethyl]phenyl] N,N-dimethylcarbamate
Molecular formula	C₁₃H₂₀N₂O₂
Molecular weight	236.31 g/mol
Exact mass	236.1525
Grade	Reference Standard
HSN code	38229090
InChIKey	AIHREYCBCYOMLZ-UHFFFAOYSA-N
SMILES	CC(C1=CC(=CC=C1)OC(=O)N(C)C)N(C)C
PubChem CID	23645310

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	0 / 3
TPSA	32.8 Å²
Synonyms	3-[1-(Dimethylamino)ethyl]phenyl N,N-dimethylcarbamate, N-dimethyl Rivastigmine, N-Desethyl N-Methyl rac-Rivastigmine, Dimethylcarbamic Acid m-[1-(Dimethylamino)ethyl]phenyl Ester, m-[1-(dimethylamino)ethyl]phenolDimethylcarbamate (ester), Rivastigmine USP Related Compound B, N,N-Dimethylcarbamic acid-3-[1-(dimethyl-amino)ethyl]phenyl ester, (3-(1-(dimethylamino)ethyl)phenyl) N,N-dimethylcarbamate, 3-(1-(Dimethylamino)ethyl)phenyl dimethylcarbamate, Desmethyl Rivastigmine, RivastigMine USP RC B, Carbamic acid, dimethyl-, 3-[1-(dimethylamino)ethyl]phenyl ester

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, 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 Rivastigmine EP Impurity B?

The CAS Registry Number of Rivastigmine EP Impurity B is 25081-93-0. It is also known as 3-[1-(Dimethylamino)ethyl]phenyl N,N-dimethylcarbamate, N-dimethyl Rivastigmine, N-Desethyl N-Methyl rac-Rivastigmine.

What is the molecular formula and molecular weight of Rivastigmine EP Impurity B?

Rivastigmine EP Impurity B has the molecular formula C13H20N2O2 and a molecular weight of 236.31 g/mol. Its IUPAC name is [3-[1-(dimethylamino)ethyl]phenyl] N,N-dimethylcarbamate.

What is Rivastigmine EP Impurity B used for?

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

We supply Rivastigmine EP Impurity 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 Rivastigmine EP Impurity B?

Yes. Every lot of Rivastigmine EP Impurity 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 Rivastigmine EP Impurity B be shipped internationally?

Yes. Rivastigmine EP Impurity 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.