Flunitrazepam EP Impurity B

Name: Flunitrazepam EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-044836

About Flunitrazepam EP Impurity B

Vaqora Chemicals supplies Flunitrazepam EP Impurity B, a pharmacopeial impurity of Flunitrazepam registered under CAS number 2558-30-7. Its molecular formula is C15H10FN3O3 and its molecular weight is 299.26 g/mol. Systematically, it is named 5-(2-fluorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one. It is also known as Nor-Flunitrazepam or Flunitrazepam - 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.

Pharmaceutical QC and development laboratories use this impurity standard of Flunitrazepam to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are 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 Flunitrazepam

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

Flunitrazepam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Flunitrazepam EP Impurity B
Catalogue No.	VQ-044836
CAS Number	2558-30-7
IUPAC name	5-(2-fluorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one
Molecular formula	C₁₅H₁₀FN₃O₃
Molecular weight	299.26 g/mol
Exact mass	299.0706
Grade	Reference Standard
HSN code	38229090
InChIKey	KNGIGRDYBQPXKQ-UHFFFAOYSA-N
SMILES	C1C(=O)NC2=C(C=C(C=C2)[N+](=O)[O-])C(=N1)C3=CC=CC=C3F
PubChem CID	520217

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	1 / 5
TPSA	87.3 Å²
Synonyms	Nor-Flunitrazepam, Flunitrazepam - Impurity B, 2H-1,4-Benzodiazepin-2-one, 5-(2-fluorophenyl)-1,3-dihydro-7-nitro-, Flunitrazepan, N-desmethyl, 5-(2-Fluorophenyl)-1,3-dihydro-7-nitro-2H-1,4-benzodiazepin-2-one, 5-(2-Fluorophenyl)-7-nitro-1,3-dihydro-2H-1,4-benzodiazepin-2-one (Demethylflunitrazepam), Norflunitrazepam (N-desmethyl-flunitrazepam), 5-(2-fluorophenyl)-7-nitro-3H-1,4-benzodiazepin-2(1H)-one, 5-(2-fluorophenyl)-7-nitro-1H-benzo[e][1,4]diazepin-2(3H)-one, 5-(3-fluorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one, 5-(2-Fluorophenyl)-7-nitro-1,3-dihydro-2H-1,4-benzodiazepin-2-one, 5-(2-Fluorophenyl)-7-nitro-1,3-dihydro-2H-1,4-benzodiazepin-2-one #

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Flunitrazepam EP Impurity B?

The CAS Registry Number of Flunitrazepam EP Impurity B is 2558-30-7. It is also known as Nor-Flunitrazepam, Flunitrazepam - Impurity B, 2H-1,4-Benzodiazepin-2-one, 5-(2-fluorophenyl)-1,3-dihydro-7-nitro-.

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

Flunitrazepam EP Impurity B has the molecular formula C15H10FN3O3 and a molecular weight of 299.26 g/mol. Its IUPAC name is 5-(2-fluorophenyl)-7-nitro-1,3-dihydro-1,4-benzodiazepin-2-one.

What is Flunitrazepam EP Impurity B used for?

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

We supply Flunitrazepam 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 Flunitrazepam EP Impurity B?

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

Yes. Flunitrazepam 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.