635678-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 635678-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,5,6,7 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 635678-51:
(8*6)+(7*3)+(6*5)+(5*6)+(4*7)+(3*8)+(2*5)+(1*1)=192
192 % 10 = 2
So 635678-51-2 is a valid CAS Registry Number.