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4-methylthio-5,6,7,8-tetrahydro<1>benzothieno<2,3-d>pyrimidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40277-41-6

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40277-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40277-41-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,7 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40277-41:
(7*4)+(6*0)+(5*2)+(4*7)+(3*7)+(2*4)+(1*1)=96
96 % 10 = 6
So 40277-41-6 is a valid CAS Registry Number.

40277-41-6Downstream Products

40277-41-6Relevant academic research and scientific papers

3,4-Dihydrothienopyrimidines. II. Synthesis and Sodium Borohydride Reduction of 2-Substituted 4-Chloro- and 4-Unsubstituted-thienopyrimidines

Yamaguchi, Hitoshi,Ishikawa, Fumiyoshi

, p. 326 - 332 (2007/10/02)

The synthesis and sodium borohydride reduction of 4-chloro- (1) and 4-unsubstituted- (3) 5,6,7,8-tetrahydrobenzothienopyrimidines, substituted with various groups, such as chloro, hydrogen, methyl, phenyl, amino, ethoxy, methylthio, methylsulfin

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