21139-62-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21139-62-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,3 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 21139-62:
(7*2)+(6*1)+(5*1)+(4*3)+(3*9)+(2*6)+(1*2)=78
78 % 10 = 8
So 21139-62-8 is a valid CAS Registry Number.
21139-62-8Relevant articles and documents
4-Amino-2-phenyl-6-thiopryimidines
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, (2008/06/13)
The invention is directed to 4-amino-2-phenyl-6-thiopyrimidine compounds having the formula SPC1 Where R1 -R3 are as defined in the specification. The compounds have pharmacodynamic activity as central nervous system depressants. That is, they produce a calming effect in the host.