643017-35-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 643017-35-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,0,1 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 643017-35:
(8*6)+(7*4)+(6*3)+(5*0)+(4*1)+(3*7)+(2*3)+(1*5)=130
130 % 10 = 0
So 643017-35-0 is a valid CAS Registry Number.