Clonazepam EP Impurity B

Name: Clonazepam EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-029871

About Clonazepam EP Impurity B

Clonazepam EP Impurity B (CAS 55198-89-5) is a pharmacopeial impurity of Clonazepam offered by Vaqora Chemicals. The compound has the formula C15H10ClN3O3, corresponding to a molecular weight of 315.71 g/mol. Its systematic (IUPAC) name is 3-amino-4-(2-chlorophenyl)-6-nitro-1H-quinolin-2-one. Alternative names: Clonazepam Related Compound A and Clonazepam - Impurity B.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Clonazepam, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Clonazepam EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Clonazepam

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

Clonazepam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Clonazepam EP Impurity B
Catalogue No.	VQ-029871
CAS Number	55198-89-5
IUPAC name	3-amino-4-(2-chlorophenyl)-6-nitro-1H-quinolin-2-one
Molecular formula	C₁₅H₁₀ClN₃O₃
Molecular weight	315.71 g/mol
Exact mass	315.0411
Grade	Reference Standard
HSN code	38229090
InChIKey	GYAWOVGCEQLWHW-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)C2=C(C(=O)NC3=C2C=C(C=C3)[N+](=O)[O-])N)Cl
PubChem CID	35396728

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	2 / 4
TPSA	101 Å²
Synonyms	Clonazepam Related Compound A, Clonazepam - Impurity B, 3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone, 3-Amino-4-(2-chlorophenyl)-6-nitrocarbostyril, 2(1H)-Quinolinone, 3-amino-4-(2-chlorophenyl)-6-nitro-, 3-amino-4-ClPhNCS, 3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one, 3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone(Clonazepam Impurity), 3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2-ol, Clonazepam Related Impurity A, 3-amino-4-(2-chlorophenyl)-6-nitro-1,2-dihydroquinolin-2-one, 3-AMino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone (ClonazepaM IMpurity)

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H336May cause drowsiness or dizziness
H361Suspected of damaging fertility or the unborn child
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P261, P264, P270, P271, P273, P280, P301 + P317, P304 + P340, P318, P319, P330, 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 Clonazepam EP Impurity B?

The CAS Registry Number of Clonazepam EP Impurity B is 55198-89-5. It is also known as Clonazepam Related Compound A, Clonazepam - Impurity B, 3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone.

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

Clonazepam EP Impurity B has the molecular formula C15H10ClN3O3 and a molecular weight of 315.71 g/mol. Its IUPAC name is 3-amino-4-(2-chlorophenyl)-6-nitro-1H-quinolin-2-one.

What is Clonazepam EP Impurity B used for?

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

We supply Clonazepam 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 Clonazepam EP Impurity B?

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

Yes. Clonazepam 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.