Rimegepant Piperidine Nitroso Impurity(STEP-3) 781649-87-4

Name: Rimegepant Piperidine Nitroso Impurity(STEP-3)
Brand: Vaqora Chemicals
SKU: VQ-007034

About Rimegepant Piperidine Nitroso Impurity(STEP-3)

Rimegepant Piperidine Nitroso Impurity(STEP-3) is a nitrosamine impurity of Rimegepant carrying the CAS registry number 781649-87-4 at a purity of 96%. Its molecular formula is C16H22N4O3 and its molecular weight is 318.37 g/mol. Systematically, it is named tert-butyl 4-(2-oxo-3H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate. Alternative names: CS-B0403.

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 “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is used as a reference standard for trace-level detection and quantitation of nitrosamine impurities by LC-MS/MS or GC-MS, supporting nitrosamine risk assessments for Rimegepant, method validation (AMV) and regulatory filings. 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. Stock is available for quick dispatch.

Typical applications

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

Industries

Related to Rimegepant

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

Rimegepant impurities

Specifications & identifiers

Chemical identifiers
Product name	Rimegepant Piperidine Nitroso Impurity(STEP-3)
Catalogue No.	VQ-007034
CAS Number	781649-87-4
IUPAC name	tert-butyl 4-(2-oxo-3H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate
Molecular formula	C₁₆H₂₂N₄O₃
Molecular weight	318.37 g/mol
Exact mass	318.1692
Grade	Reference Standard
Purity / assay	96%
HSN code	38229090
InChIKey	ZLMQZSUGKKTLJZ-UHFFFAOYSA-N
SMILES	CC(C)(C)OC(=O)N1CCC(CC1)N2C3=C(NC2=O)N=CC=C3
PubChem CID	22293220

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	1 / 4
TPSA	74.8 Å²
Synonyms	tert-butyl 4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate, 2-Oxo-1-(1-(tert-butoxycarbonyl)piperidin-4-yl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine, tert-butyl 4-{2-oxo-1H,2H,3H-imidazo[4,5-b]pyridin-1-yl}piperidine-1-carboxylate, tert-butyl 4-(2-oxo-1H,2H,3H-imidazo(4,5-b)pyridin-1-yl)piperidine-1-carboxylate, tert-Butyl 4-(2-oxo-2,3-dihydro-1H-imidazo(4,5-b)pyridin-1-yl)piperidine-1-carboxylate, 1-(1-Boc-4-piperidyl)-1H-imidazo[4,5-b]pyridin-2(3H)-one, tert-Butyl 4-{2-oxo-1H,2H,3H-imidazo-[4,5-b]pyridin-1-yl}piperidine-1-carboxylate, CS-B0403, 2-Oxo-1-(1-t-butoxycarbonylpiperidin-4-yl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine, 2-Oxo-1-(1-t-butoxycarbonylpiperidin-4-yl)-2,3dihydro-1H-imidazo[4,5-b]pyridine, 2-Oxo-1-(1-tert-butoxycarbonylpiperidin-4-yl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine, tert-Butyl 4-(2,3-dihydro-2-oxoimidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 Rimegepant Piperidine Nitroso Impurity(STEP-3)?

The CAS Registry Number of Rimegepant Piperidine Nitroso Impurity(STEP-3) is 781649-87-4. It is also known as tert-butyl 4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate, 2-Oxo-1-(1-(tert-butoxycarbonyl)piperidin-4-yl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine, tert-butyl 4-{2-oxo-1H,2H,3H-imidazo[4,5-b]pyridin-1-yl}piperidine-1-carboxylate.

What is the molecular formula and molecular weight of Rimegepant Piperidine Nitroso Impurity(STEP-3)?

Rimegepant Piperidine Nitroso Impurity(STEP-3) has the molecular formula C16H22N4O3 and a molecular weight of 318.37 g/mol. Its IUPAC name is tert-butyl 4-(2-oxo-3H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate.

What is Rimegepant Piperidine Nitroso Impurity(STEP-3) used for?

Rimegepant Piperidine Nitroso Impurity(STEP-3) is supplied as a characterised reference material related to Rimegepant. 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 Rimegepant Piperidine Nitroso Impurity(STEP-3) can I order?

We supply Rimegepant Piperidine Nitroso Impurity(STEP-3) in Reference Standard (96%) 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 Rimegepant Piperidine Nitroso Impurity(STEP-3)?

Yes. Every lot of Rimegepant Piperidine Nitroso Impurity(STEP-3) 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 Rimegepant Piperidine Nitroso Impurity(STEP-3) be shipped internationally?

Yes. Rimegepant Piperidine Nitroso Impurity(STEP-3) 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.