168787-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 168787-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,8,7,8 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 168787-65:
(8*1)+(7*6)+(6*8)+(5*7)+(4*8)+(3*7)+(2*6)+(1*5)=203
203 % 10 = 3
So 168787-65-3 is a valid CAS Registry Number.