637757-08-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637757-08-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,7,5 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 637757-08:
(8*6)+(7*3)+(6*7)+(5*7)+(4*5)+(3*7)+(2*0)+(1*8)=195
195 % 10 = 5
So 637757-08-5 is a valid CAS Registry Number.