N-Nitroso N-Desmethyl Neostigmine EP Impurity… 23040-64-4

Name: N-Nitroso N-Desmethyl Neostigmine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-038584

About N-Nitroso N-Desmethyl Neostigmine EP Impurity B

Vaqora Chemicals supplies N-Nitroso N-Desmethyl Neostigmine EP Impurity B, a nitrosamine impurity of Neostigmine registered under CAS number 23040-64-4. With the molecular formula C7H8N2O2, it has a molar mass of 152.15 g/mol. The IUPAC name is N-(3-hydroxyphenyl)-N-methylnitrous amide. Common synonyms include Phenol, m-(methylnitrosamino)- and m-(Methylnitrosamino)phenol.

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. Good laboratory practice and suitable PPE are recommended during handling.

Laboratories use this nitrosamine standard to develop and validate highly sensitive LC-MS/MS methods, to confirm limits of detection and to document nitrosamine risk assessments in regulatory submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer N-Nitroso N-Desmethyl Neostigmine EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Industries

Related to Neostigmine

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

Neostigmine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	N-Nitroso N-Desmethyl Neostigmine EP Impurity B
Catalogue No.	VQ-038584
CAS Number	23040-64-4
IUPAC name	N-(3-hydroxyphenyl)-N-methylnitrous amide
Molecular formula	C₇H₈N₂O₂
Molecular weight	152.15 g/mol
Exact mass	152.0586
Grade	Reference Standard
HSN code	38229090
InChIKey	XFRTWRMEJVWCTE-UHFFFAOYSA-N
SMILES	CN(C1=CC(=CC=C1)O)N=O
PubChem CID	146730

Physical properties
Physical form	Solid
LogP (XLogP3)	1.3
H-bond donors / acceptors	1 / 4
TPSA	52.9 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 N-Nitroso N-Desmethyl Neostigmine EP Impurity B?

The CAS Registry Number of N-Nitroso N-Desmethyl Neostigmine EP Impurity B is 23040-64-4. It is also known as Phenol, m-(methylnitrosamino)-, m-(Methylnitrosamino)phenol, 3-(Methylnitrosoamino)phenol.

What is the molecular formula and molecular weight of N-Nitroso N-Desmethyl Neostigmine EP Impurity B?

N-Nitroso N-Desmethyl Neostigmine EP Impurity B has the molecular formula C7H8N2O2 and a molecular weight of 152.15 g/mol. Its IUPAC name is N-(3-hydroxyphenyl)-N-methylnitrous amide.

What is N-Nitroso N-Desmethyl Neostigmine EP Impurity B used for?

N-Nitroso N-Desmethyl Neostigmine EP Impurity B is supplied as a characterised reference material related to Neostigmine. 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 N-Nitroso N-Desmethyl Neostigmine EP Impurity B can I order?

We supply N-Nitroso N-Desmethyl Neostigmine 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 N-Nitroso N-Desmethyl Neostigmine EP Impurity B?

Yes. Every lot of N-Nitroso N-Desmethyl Neostigmine 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 N-Nitroso N-Desmethyl Neostigmine EP Impurity B be shipped internationally?

Yes. We export N-Nitroso N-Desmethyl Neostigmine EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.