176858-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176858-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,8,5 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 176858-65:
(8*1)+(7*7)+(6*6)+(5*8)+(4*5)+(3*8)+(2*6)+(1*5)=194
194 % 10 = 4
So 176858-65-4 is a valid CAS Registry Number.