72786-39-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72786-39-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,8 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72786-39:
(7*7)+(6*2)+(5*7)+(4*8)+(3*6)+(2*3)+(1*9)=161
161 % 10 = 1
So 72786-39-1 is a valid CAS Registry Number.