37521-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37521-12-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,5,2 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 37521-12:
(7*3)+(6*7)+(5*5)+(4*2)+(3*1)+(2*1)+(1*2)=103
103 % 10 = 3
So 37521-12-3 is a valid CAS Registry Number.