79894-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79894-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,9 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 79894-66:
(7*7)+(6*9)+(5*8)+(4*9)+(3*4)+(2*6)+(1*6)=209
209 % 10 = 9
So 79894-66-9 is a valid CAS Registry Number.