Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-METHYL-8-THIA-4,6-DIAZATRICYCLO[7.4.0.0]TRIDECA-1(9),2(7),5-TRIEN-3-ONE
Price: Check
Purity: 97.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-ol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

19819-15-9

19819-15-9 structure

19819-15-9 structure

Name: 2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-ol
Chemical Name: 2-methyl-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one
CAS Number: 19819-15-9
Molecular Formula: C₁₁H₁₂N₂OS
Molecular Weight: 220.29100
Create Date: 2016-06-04 07:29:13
Modify Date: 2025-09-06 04:44:29

Name	2-methyl-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one
Synonyms	2-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-ol 2-methyl-5,6,7,8-tetrahydrobenzo<4,5>thieno<2,3-d>pyrimidin-4(3H)-one 2-methyl-3,5,6,7,8-pentahydrobenzo[b]thiopheno[2,3-d]pyrimidin-4-one (1)Benzothieno(2,3-d)pyrimidin-4(1H)-one,5,6,7,8-tetrahydro-2-methyl 3,4,5,6,7,8-Hexahydro-2-methyl-4-oxobenzo<b>thieno<2,3-d>pyrimidin 2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4[3H]-one 2-Methyl-5,6-tetramethylen-3,4-dihydro-4-oxothieno<2,3-d>pyrimidin 5,6,7,8-Tetrahydro-2-methyl-(1)benzothieno(2,3-d)pyrimidin-4(1H)-one 2-methyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one 2-methyl-5,6-tetramethylenethieno<2,3-d>pyrimidin-4(3H)-one 2-Methyl-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidin-4-ol

Density	1.52g/cm3
Boiling Point	336.7ºC at 760 mmHg
Molecular Formula	C₁₁H₁₂N₂OS
Molecular Weight	220.29100
Flash Point	157.4ºC
Exact Mass	220.06700
PSA	73.99000
LogP	2.17180
Vapour Pressure	5.66E-05mmHg at 25°C
Index of Refraction	1.772

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DL8355000

CHEMICAL NAME :: (1)Benzothieno(2,3-d)pyrimidin-4(1H)-one, 5,6,7,8-tetrahydro-2-methyl-

CAS REGISTRY NUMBER :: 19819-15-9

LAST UPDATED :: 199406

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H12-N2-O-S

MOLECULAR WEIGHT :: 220.31

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1 gm/kg

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

REFERENCE :: EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 19,420,1984

HS Code	2934999090

Precursor 0
DownStream 3
81765-97-1 77995-54-1 83548-70-3

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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