Phenobarbital EP Impurity B

Name: Phenobarbital EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-041442

About Phenobarbital EP Impurity B

Phenobarbital EP Impurity B is a pharmacopeial impurity of Phenobarbital carrying the CAS registry number 58042-96-9. Its molecular formula is C12H13N3O2 and its molecular weight is 231.25 g/mol. Systematically, it is named 6-amino-5-ethyl-5-phenylpyrimidine-2,4-dione. It is also known as Phenobarbital - Impurity B or Phenobarbital Impurity B.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Phenobarbital, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from 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 Phenobarbital

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

Phenobarbital impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Phenobarbital EP Impurity B
Catalogue No.	VQ-041442
CAS Number	58042-96-9
IUPAC name	6-amino-5-ethyl-5-phenylpyrimidine-2,4-dione
Molecular formula	C₁₂H₁₃N₃O₂
Molecular weight	231.25 g/mol
Exact mass	231.1008
Grade	Reference Standard
HSN code	38229090
InChIKey	HUYKEYWPDBRCSH-UHFFFAOYSA-N
SMILES	CCC1(C(=NC(=O)NC1=O)N)C2=CC=CC=C2
PubChem CID	6425216

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	2 / 2
TPSA	84.6 Å²
Synonyms	Phenobarbital - Impurity B, Phenobarbital Impurity B, 6-Amino-5-ethyl-5-phenyl-2,4(3H,5H)-pyrimidinedione, 5-ethyl-6-imino-5-phenyl-1,3-diazinane-2,4-dione, 5-Ethyl-5-phenyl-4-iminobarbituric acid, (5RS)-5-Ethyl-6-diimino-5-phenyl-5,6-dihydropyrimidin-2,4-(1H,3H)-dione

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 Phenobarbital EP Impurity B?

The CAS Registry Number of Phenobarbital EP Impurity B is 58042-96-9. It is also known as Phenobarbital - Impurity B, Phenobarbital Impurity B, 6-Amino-5-ethyl-5-phenyl-2,4(3H,5H)-pyrimidinedione.

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

Phenobarbital EP Impurity B has the molecular formula C12H13N3O2 and a molecular weight of 231.25 g/mol. Its IUPAC name is 6-amino-5-ethyl-5-phenylpyrimidine-2,4-dione.

What is Phenobarbital EP Impurity B used for?

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

We supply Phenobarbital 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 Phenobarbital EP Impurity B?

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

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