Pyridostigmine EP Impurity A

Name: Pyridostigmine EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-027683

About Pyridostigmine EP Impurity A

Listed under CAS 51581-32-9, Pyridostigmine EP Impurity A is a pharmacopeial impurity of Pyridostigmine available from Vaqora Chemicals. Its molecular formula is C8H10N2O2 and its molecular weight is 166.18 g/mol. Its systematic (IUPAC) name is pyridin-3-yl N,N-dimethylcarbamate. It is also known as Pyridostigmine - Impurity A or Norpyridostigmine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Pyridostigmine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in 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 Pyridostigmine

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

Pyridostigmine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Pyridostigmine EP Impurity A
Catalogue No.	VQ-027683
CAS Number	51581-32-9
IUPAC name	pyridin-3-yl N,N-dimethylcarbamate
Molecular formula	C₈H₁₀N₂O₂
Molecular weight	166.18 g/mol
Exact mass	166.0742
Grade	Reference Standard
HSN code	38229090
InChIKey	VZELUFSMNDBCBO-UHFFFAOYSA-N
SMILES	CN(C)C(=O)OC1=CN=CC=C1
PubChem CID	98821

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 3
TPSA	42.4 Å²
Synonyms	Pyridostigmine - Impurity A, Norpyridostigmine, 3-pyridinol dimethylcarbamate, pyridin-3-yl dimethylcarbamate, 3-Dimethylcarbamoyloxypyridine, 3-(N,N-Dimethylcarbamoyloxy)pyridine, 3-Pyridyl dimethylcarbamate, Carbamic acid, dimethyl-, 3-pyridinyl ester, pyridin-3-yldimethylcarbamate, 3-(N,N-Dimethylcarbamoyloxy) pyridine, 3-(Dimethylcarbamoyloxy)pyridine, 3-pyridyl N,N-dimethylcarbamate

Safety & hazard information (GHS)

Corrosive

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H301Toxic if swallowed
H310Fatal in contact with skin
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled

Precautionary statements: P260, P261, P262, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P316, P302 + P352, P304 + P340, P305 + P354 + P338, P316, P317, P320, P321, P330, P333 + P317, P361 + P364, P362 + P364, P403 + P233, P405

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 Pyridostigmine EP Impurity A?

The CAS Registry Number of Pyridostigmine EP Impurity A is 51581-32-9. It is also known as Pyridostigmine - Impurity A, Norpyridostigmine, 3-pyridinol dimethylcarbamate.

What is the molecular formula and molecular weight of Pyridostigmine EP Impurity A?

Pyridostigmine EP Impurity A has the molecular formula C8H10N2O2 and a molecular weight of 166.18 g/mol. Its IUPAC name is pyridin-3-yl N,N-dimethylcarbamate.

What is Pyridostigmine EP Impurity A used for?

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

We supply Pyridostigmine EP Impurity A 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 Pyridostigmine EP Impurity A?

Yes. Every lot of Pyridostigmine EP Impurity A 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 Pyridostigmine EP Impurity A be shipped internationally?

Yes. Pyridostigmine EP Impurity A 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.