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1215301-54-4

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1215301-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1215301-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,5,3,0 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1215301-54:
(9*1)+(8*2)+(7*1)+(6*5)+(5*3)+(4*0)+(3*1)+(2*5)+(1*4)=94
94 % 10 = 4
So 1215301-54-4 is a valid CAS Registry Number.

1215301-54-4Relevant articles and documents

Synthesis, characterization and biological studies of some novel thieno[2,3-d]pyrimidines

Al-Taisan, Khulud M.,Al-Hazimi, Hassan M. A.,Al-Shihry, Shar S.

experimental part, p. 3932 - 3957 (2010/09/18)

Several 2-unsubstituted thieno[2,3-d]pyrimidines have been prepared from 2-aminothiophene-3-carboxylic acid esters and their carbonitrile analogs. Some triazolothienopyrimidine and 2-thioxothienopyrimidine representatives have also been synthesized using

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