216877-35-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216877-35-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,8,7 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 216877-35:
(8*2)+(7*1)+(6*6)+(5*8)+(4*7)+(3*7)+(2*3)+(1*5)=159
159 % 10 = 9
So 216877-35-9 is a valid CAS Registry Number.