85658-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85658-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,5 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 85658-59:
(7*8)+(6*5)+(5*6)+(4*5)+(3*8)+(2*5)+(1*9)=179
179 % 10 = 9
So 85658-59-9 is a valid CAS Registry Number.