87183-78-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87183-78-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,8 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87183-78:
(7*8)+(6*7)+(5*1)+(4*8)+(3*3)+(2*7)+(1*8)=166
166 % 10 = 6
So 87183-78-6 is a valid CAS Registry Number.