859979-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859979-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,7 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 859979-88:
(8*8)+(7*5)+(6*9)+(5*9)+(4*7)+(3*9)+(2*8)+(1*8)=277
277 % 10 = 7
So 859979-88-7 is a valid CAS Registry Number.