216862-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216862-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,8,6 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 216862-74:
(8*2)+(7*1)+(6*6)+(5*8)+(4*6)+(3*2)+(2*7)+(1*4)=147
147 % 10 = 7
So 216862-74-7 is a valid CAS Registry Number.