Ampicillin EP Impurity H

About Ampicillin EP Impurity H

Ampicillin EP Impurity H is a pharmacopeial impurity of Ampicillin carrying the CAS registry number 73200-73-4. Its molecular formula is C10H8N2O and its molecular weight is 172.18 g/mol. The IUPAC name is 3-phenyl-1H-pyrazin-2-one. Alternative names: 2-Hydroxy-3-phenylpyrazine and 2(1H)-Pyrazinone, 3-phenyl-.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Ampicillin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Ampicillin EP Impurity H in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Ampicillin

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

Ampicillin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ampicillin EP Impurity H
Catalogue No.	VQ-035716
CAS Number	73200-73-4
IUPAC name	3-phenyl-1H-pyrazin-2-one
Molecular formula	C₁₀H₈N₂O
Molecular weight	172.18 g/mol
Exact mass	172.0637
Grade	Reference Standard
HSN code	38229090
InChIKey	SYPKOIOSVWYKHO-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2=NC=CNC2=O
PubChem CID	155966

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	1 / 2
TPSA	41.5 Å²
Synonyms	2-Hydroxy-3-phenylpyrazine, 2(1H)-Pyrazinone, 3-phenyl-, 3-phenylpyrazin-2-ol, 3-Phenylpyrazin-2(1H)-one, Pyrazinol, 3-phenyl-, 3-phenyl-1,2-dihydropyrazin-2-one, 3-Phenyl-2-pyrazinol, 3-phenylp, 3-phenyl pyrazinone, Cefaclor Impurity F, Cefaclor Impurity 43, 2-hydroxy-3-phenylpyrazin

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 Ampicillin EP Impurity H?

The CAS Registry Number of Ampicillin EP Impurity H is 73200-73-4. It is also known as 2-Hydroxy-3-phenylpyrazine, 2(1H)-Pyrazinone, 3-phenyl-, 3-phenylpyrazin-2-ol.

What is the molecular formula and molecular weight of Ampicillin EP Impurity H?

Ampicillin EP Impurity H has the molecular formula C10H8N2O and a molecular weight of 172.18 g/mol. Its IUPAC name is 3-phenyl-1H-pyrazin-2-one.

What is Ampicillin EP Impurity H used for?

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

We supply Ampicillin EP Impurity H 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 Ampicillin EP Impurity H?

Yes. Every lot of Ampicillin EP Impurity H 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 Ampicillin EP Impurity H be shipped internationally?

Yes. Ampicillin EP Impurity H 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.