858007-57-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858007-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,0,0 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 858007-57:
(8*8)+(7*5)+(6*8)+(5*0)+(4*0)+(3*7)+(2*5)+(1*7)=185
185 % 10 = 5
So 858007-57-5 is a valid CAS Registry Number.