858798-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858798-56-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,7,9 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 858798-56:
(8*8)+(7*5)+(6*8)+(5*7)+(4*9)+(3*8)+(2*5)+(1*6)=258
258 % 10 = 8
So 858798-56-8 is a valid CAS Registry Number.