1431531-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1431531-33-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,5,3 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1431531-33:
(9*1)+(8*4)+(7*3)+(6*1)+(5*5)+(4*3)+(3*1)+(2*3)+(1*3)=117
117 % 10 = 7
So 1431531-33-7 is a valid CAS Registry Number.
1431531-33-7Relevant articles and documents
BICYCLIC COMPOUND
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Paragraph 1141; 1142; 1143, (2014/09/03)
The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.