213695-72-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213695-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,6,9 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 213695-72:
(8*2)+(7*1)+(6*3)+(5*6)+(4*9)+(3*5)+(2*7)+(1*2)=138
138 % 10 = 8
So 213695-72-8 is a valid CAS Registry Number.