635678-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 635678-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,5,6,7 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 635678-54:
(8*6)+(7*3)+(6*5)+(5*6)+(4*7)+(3*8)+(2*5)+(1*4)=195
195 % 10 = 5
So 635678-54-5 is a valid CAS Registry Number.