1616618-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616618-74-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,6,1 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1616618-74:
(9*1)+(8*6)+(7*1)+(6*6)+(5*6)+(4*1)+(3*8)+(2*7)+(1*4)=176
176 % 10 = 6
So 1616618-74-6 is a valid CAS Registry Number.