79858-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79858-12-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,5 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79858-12:
(7*7)+(6*9)+(5*8)+(4*5)+(3*8)+(2*1)+(1*2)=191
191 % 10 = 1
So 79858-12-1 is a valid CAS Registry Number.