3-PHENYL-2-THIOXO-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE

Modify Date: 2025-08-20 18:22:41

3-PHENYL-2-THIOXO-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE structure	Common Name	3-PHENYL-2-THIOXO-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE
	CAS Number	18741-24-7	Molecular Weight	254.30700
	Density	1.4g/cm3	Boiling Point	414.8ºC at 760mmHg
	Molecular Formula	C₁₄H₁₀N₂OS	Melting Point	313-314ºC
	MSDS	N/A	Flash Point	204.6ºC

Name	3-phenyl-2-sulfanylidene-1H-quinazolin-4-one
Synonym	More Synonyms

Density	1.4g/cm3
Boiling Point	414.8ºC at 760mmHg
Melting Point	313-314ºC
Molecular Formula	C₁₄H₁₀N₂OS
Molecular Weight	254.30700
Flash Point	204.6ºC
Exact Mass	254.05100
PSA	69.88000
LogP	3.04830

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VA3270000

CHEMICAL NAME :: Quinazolin-4-one, 1,3-dihydro-3-phenyl-2-thio-

CAS REGISTRY NUMBER :: 18741-24-7

LAST UPDATED :: 197905

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C14-H10-N2-O-S

MOLECULAR WEIGHT :: 254.32

WISWESSER LINE NOTATION :: T66 BMYNVJ CUS DR

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 :: 180 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#04508

Hazard Codes	Xi: Irritant;
HS Code	2933990090

Precursor 9
CAS#:103-72-0 Phenyl isothioc... CAS#:134-20-3 Methyl 2-aminob... CAS#:118-92-3 Anthranilic acid CAS#:118-48-9 Isatoic anhydride
CAS#:4314-19-6 Bis(1-benzotria... CAS#:610-34-4 Benzoic acid, 2... CAS#:4955-82-2 1-cyano-N-pheny... CAS#:701-73-5 METHYL DITHIOCA...
CAS#:1222-20-4 2-(phenylcarbam...
DownStream 7
CAS#:18619-72-2 2-[[2-(Diethyla... CAS#:603-23-6 2,4(1H,3H)-Quin... CAS#:29745-27-5 2-(Ethylthio)-3... CAS#:727-62-8 2-CHLORO-3-PHEN...
CAS#:731-52-2 2-hydrazinyl-3-... CAS#:81262-71-7 Piperazine, 1-(... CAS#:22721-43-3 [1,3]benzothiaz...

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%

4-oxo-3-phenyl-2-thioxo-1,2,3,4-tetrahydroquinazoline

3-phenyl-2-thioxo-2,3-dihydro-1H-quinazoline-4-one

2-Mercapto-3-phenyl-3H-quinazolin-4-one

3-phenyl-2-thioxo-2,3-dihydro-1H-quinazolin-4-one

3-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline

2-Thio-3-phenyl-1,3-dihydroquinazolin-4-one

3-phenyl-2-sulfanyl-3-hydroquinazolin-4-one

EINECS 242-550-6

Quinazolin-4-one,1,3-dihydro-3-phenyl-2-thio

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Product Name: 3-PHENYL-2-THIOXO-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE
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3-PHENYL-2-THIOXO-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE

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Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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