635678-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 635678-99-8 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, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 635678-99:
(8*6)+(7*3)+(6*5)+(5*6)+(4*7)+(3*8)+(2*9)+(1*9)=208
208 % 10 = 8
So 635678-99-8 is a valid CAS Registry Number.