Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,6(1H,5H)-Pyrimidinedione,dihydro-5-(2-pyridinylmethylene)-2-thioxo-
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73664-50-3

73664-50-3 structure

73664-50-3 structure

Name: 4,6(1H,5H)-Pyrimidinedione,dihydro-5-(2-pyridinylmethylene)-2-thioxo-
Chemical Name: 5-(pyridin-2-ylmethylidene)-2-sulfanylidene-1,3-diazinane-4,6-dione
CAS Number: 73664-50-3
Molecular Formula: C₁₀H₇N₃O₂S
Molecular Weight: 233.24600
Create Date: 2017-05-18 23:58:37
Modify Date: 2025-10-12 21:24:02

Name	5-(pyridin-2-ylmethylidene)-2-sulfanylidene-1,3-diazinane-4,6-dione
Synonyms	BARBITURIC ACID,5-((2-PYRIDYL)METHYLENE)-2-THIO Barbituric acid,5-(2-pyridylmethylent)-2-thio 5-(2-Pyridylmethylene)-2-thiobarbituric acid

Density	1.51g/cm3
Molecular Formula	C₁₀H₇N₃O₂S
Molecular Weight	233.24600
Exact Mass	233.02600
PSA	103.18000
LogP	0.65350
Index of Refraction	1.704

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CQ7600000

CHEMICAL NAME :: Barbituric acid, 5-((2-pyridyl)methylene)-2-thio-

CAS REGISTRY NUMBER :: 73664-50-3

LAST UPDATED :: 197901

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H7-N3-O2-S

MOLECULAR WEIGHT :: 233.26

WISWESSER LINE NOTATION :: T6NJ B1U- CT6MVYVMYJ FUS

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03844

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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