87658-35-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87658-35-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,5 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87658-35:
(7*8)+(6*7)+(5*6)+(4*5)+(3*8)+(2*3)+(1*5)=183
183 % 10 = 3
So 87658-35-3 is a valid CAS Registry Number.