78837-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78837-39-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,3 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78837-39:
(7*7)+(6*8)+(5*8)+(4*3)+(3*7)+(2*3)+(1*9)=185
185 % 10 = 5
So 78837-39-5 is a valid CAS Registry Number.