2-Mercapto-3-methylquinazolin-4(3H)-one

Modify Date: 2026-07-19 03:42:20

2-Mercapto-3-methylquinazolin-4(3H)-one Structure
2-Mercapto-3-methylquinazolin-4(3H)-one structure
Common Name 2-Mercapto-3-methylquinazolin-4(3H)-one
CAS Number 1705-09-5 Molecular Weight 192.23800
Density 1.4 g/cm3 Boiling Point 324.6ºC at 760 mmHg
Molecular Formula C9H8N2OS Melting Point N/A
MSDS N/A Flash Point 150.1ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-Mercapto-3-methylquinazolin-4(3H)-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.4 g/cm3
Boiling Point 324.6ºC at 760 mmHg
Molecular Formula C9H8N2OS
Molecular Weight 192.23800
Flash Point 150.1ºC
Exact Mass 192.03600
PSA 69.88000
LogP 1.59610
Vapour Pressure 0.000243mmHg at 25°C
Index of Refraction 1.707
InChIKey NVINMHFLRZHVKS-UHFFFAOYSA-N
SMILES Cn1c(=S)[nH]c2ccccc2c1=O

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 2-Mercapto-3-methylquinazolin-4(3H)-oneBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Inhibition of MAO-A in rat liver homogenate after 60 mins by Lineweaver-Burke plot
Source: ChEMBL
Target: Amine oxidase [flavin-containing] A
External Id: CHEMBL997740
Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Inhibition of MAO-B in rat liver homogenate after 60 mins by Lineweaver-Burke plot
Source: ChEMBL
Target: Amine oxidase [flavin-containing] B
External Id: CHEMBL997737
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Inhibition of PDE3A in human platelet assessed as hydrolysis of [3H]cAMP to [3H]AMP a...
Source: ChEMBL
Target: cGMP-inhibited 3',5'-cyclic phosphodiesterase A
External Id: CHEMBL995880
Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT
Name: Inhibition of human recombinant PDE7A expressed in Saccharomyces cerevisiae assessed ...
Source: ChEMBL
Target: High affinity cAMP-specific 3',5'-cyclic phosphodiesterase 7A
External Id: CHEMBL995879
Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN
Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

3-methyl-2-sulfanylidene-1H-quinazolin-4-one

 2-Mercapto-3-methylquinazolin-4(3H)-one | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the boiling point of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: Boiling point of 2-Mercapto-3-methylquinazolin-4(3H)-one is 324.6ºC at 760 mmHg.
Q: What English synonyms does 2-Mercapto-3-methylquinazolin-4(3H)-one have?
A: English synonyms of 2-Mercapto-3-methylquinazolin-4(3H)-one: 3-methyl-2-sulfanylidene-1H-quinazolin-4-one.
Q: What is the SMILES notation of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: SMILES notation of 2-Mercapto-3-methylquinazolin-4(3H)-one is Cn1c(=S)[nH]c2ccccc2c1=O.
Q: What is the polar surface area (PSA) of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: Polar surface area (PSA) of 2-Mercapto-3-methylquinazolin-4(3H)-one is 69.88000.
Q: What is the molecular formula of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: Molecular formula of 2-Mercapto-3-methylquinazolin-4(3H)-one is C9H8N2OS.
Q: What is the InChIKey of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: InChIKey of 2-Mercapto-3-methylquinazolin-4(3H)-one is NVINMHFLRZHVKS-UHFFFAOYSA-N.
Q: What is the molecular weight of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: Molecular weight of 2-Mercapto-3-methylquinazolin-4(3H)-one is 192.23800.
Q: What are the downstream products of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: Related downstream products(CAS) of 2-Mercapto-3-methylquinazolin-4(3H)-one: 607-19-2;15949-47-0;61507-80-0;127570-96-1.
Q: What are the upstream materials of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: Related upstream materials(CAS) of 2-Mercapto-3-methylquinazolin-4(3H)-one: 75-15-0;118988-18-4;13621-47-1;118-92-3;106130-36-3;16353-02-9;556-61-6;134-20-3;28144-70-9.
Q: What is the CAS number of 2-Mercapto-3-methylquinazolin-4(3H)-one?
A: CAS number of 2-Mercapto-3-methylquinazolin-4(3H)-one is 1705-09-5.

 2-Mercapto-3-methylquinazolin-4(3H)-onefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
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