Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-PHENYL-2-THIOXO-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Contact: Ms Wang
Email: enquiry@dycnchem.com

18741-24-7

18741-24-7 structure

18741-24-7 structure

Name: 3-PHENYL-2-THIOXO-1,2,3,4-TETRAHYDROQUINAZOLIN-4-ONE
Chemical Name: 3-phenyl-2-sulfanylidene-1H-quinazolin-4-one
CAS Number: 18741-24-7
Molecular Formula: C₁₄H₁₀N₂OS
Molecular Weight: 254.30700
Create Date: 2018-10-11 22:53:43
Modify Date: 2025-08-20 18:22:41

Name	3-phenyl-2-sulfanylidene-1H-quinazolin-4-one
Synonyms	PDE7-IN-4 2-Thioxo-1,2-dihydro-3-phenylquinazoline-4(3H)-one 3-Phenyl-2-thioxo-1,2,3,4-tetrahydroquinazolin 3-PHENYL-2-THIOXO-2,3-DIHYDRO-4(1H)-QUINAZOLINONE 3-phenyl-2-thioxo-2,3-dihydro-1H-quinazoline-4-one 4-oxo-3-phenyl-2-thioxo-1,2,3,4-tetrahydroquinazoline TIMTEC-BB SBB000936 1,2-DIHYDRO-3-PHENYL-2-THIOXO-4(3H)-QUINAZOLINONE 3-phenyl-2-thioxo-2,3-dihydro-1H-quinazolin-4-one 3-Phenyl-2(1H)-thioxoquinazoline-4(3H)-one 2-Mercapto-3-phenyl-3H-quinazolin-4-one PDE7 inhibitor S14 PDE-7 inhibitor S14,PDE7 inhibitor S14 Quinazolin-4-one, 1,3-dihydro-3-phenyl-2-thio 3-Phenyl-1,2,3,4-tetrahydro-2-thioxoquinazolin-4-one 3-Phenyl-2-thioxo-1,2-dihydroquinazoline-4(3H)-one 3-Phenyl-2-thioxo-2,3-dihydroquinazolin-4(1H)-one , PDE7 inhibitor S14 3-Phenyl-2-thioxo-2,3-dihydro-1H-quinazolin-4-one 1,2,3,4-Tetrahydro-3-phenyl-2-thioxoquinazoline-4-one 3-Phenyl-2-thioxo-2,3-dihydroquinazolin-4(1H)-one Quinazolin-4-one,1,3-dihydro-3-phenyl-2-thio 3-phenyl-2-thioxo-1H-quinazolin-4-one 4(1H)-Quinazolinone,2,3-dihydro-3-phenyl-2-thioxo 2-Thio-3-phenyl-1,3-dihydroquinazolin-4-one 2-mercapto-3-phenylquinazolin-4(3H)-one 3-phenyl-2-sulfanyl-3-hydroquinazolin-4-one PDE7 inhibitor-S14 1,3-dihydro-3-phenyl-2-thio-quinazolin-4-on 2,3-dihydro-3-phenyl-2-thioxoquinazolin-4(1H)-one 3-phenyl-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline 4-Oxo-3-phenyl-1,2,3,4-tetrahydro-2-thioxoquinazoline EINECS 242-550-6

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
103-72-0 134-20-3 118-92-3 118-48-9
4314-19-6 610-34-4 4955-82-2 701-73-5
1222-20-4
DownStream 7
18619-72-2 603-23-6 29745-27-5 727-62-8
731-52-2 81262-71-7 22721-43-3

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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