637308-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637308-11-3 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, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 637308-11:
(8*6)+(7*3)+(6*7)+(5*3)+(4*0)+(3*8)+(2*1)+(1*1)=153
153 % 10 = 3
So 637308-11-3 is a valid CAS Registry Number.