Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2(1H)-Pyrazinone,4-oxide
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3735-46-4

3735-46-4 structure

3735-46-4 structure

Name: 2(1H)-Pyrazinone,4-oxide
Chemical Name: 1,2-Dihydro-2-oxopyrazine 4-oxide
CAS Number: 3735-46-4
Molecular Formula: C₄H₄N₂O₂
Molecular Weight: 112.08700
Create Date: 2017-05-11 19:03:03
Modify Date: 2025-08-26 22:50:24

Name	1,2-Dihydro-2-oxopyrazine 4-oxide
Synonyms	3-hydroxypyrazine-1-oxide 2-Hydroxy-pyrazin-4-oxyd 3-deaza-4-azauracil emimycin 4-oxy-1H-pyrazin-2-one 2(1H)-Pyrazinone 4-oxide 2-hydroxy-pyrazine-4-oxide 2-Hydroxy-pyrazin-4-oxid

Boiling Point	386.8ºC at 760mmHg
Molecular Formula	C₄H₄N₂O₂
Molecular Weight	112.08700
Flash Point	187.7ºC
Exact Mass	112.02700
PSA	58.32000

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ4385000

CHEMICAL NAME :: Pyrazinol, 4-oxide

CAS REGISTRY NUMBER :: 3735-46-4

LAST UPDATED :: 198309

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H4-N2-O2

MOLECULAR WEIGHT :: 112.10

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 5,119,1981

HS Code	2933990090

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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