37631-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37631-59-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,6,3 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 37631-59:
(7*3)+(6*7)+(5*6)+(4*3)+(3*1)+(2*5)+(1*9)=127
127 % 10 = 7
So 37631-59-7 is a valid CAS Registry Number.