39949-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39949-82-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,4 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39949-82:
(7*3)+(6*9)+(5*9)+(4*4)+(3*9)+(2*8)+(1*2)=181
181 % 10 = 1
So 39949-82-1 is a valid CAS Registry Number.