39701-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39701-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 39701-77:
(7*3)+(6*9)+(5*7)+(4*0)+(3*1)+(2*7)+(1*7)=134
134 % 10 = 4
So 39701-77-4 is a valid CAS Registry Number.