637308-86-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637308-86-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,0 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 637308-86:
(8*6)+(7*3)+(6*7)+(5*3)+(4*0)+(3*8)+(2*8)+(1*6)=172
172 % 10 = 2
So 637308-86-2 is a valid CAS Registry Number.