858515-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858515-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,5,1 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 858515-72:
(8*8)+(7*5)+(6*8)+(5*5)+(4*1)+(3*5)+(2*7)+(1*2)=207
207 % 10 = 7
So 858515-72-7 is a valid CAS Registry Number.