158808-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158808-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,8,0 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 158808-86:
(8*1)+(7*5)+(6*8)+(5*8)+(4*0)+(3*8)+(2*8)+(1*6)=177
177 % 10 = 7
So 158808-86-7 is a valid CAS Registry Number.