1621066-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1621066-75-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,0,6 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1621066-75:
(9*1)+(8*6)+(7*2)+(6*1)+(5*0)+(4*6)+(3*6)+(2*7)+(1*5)=138
138 % 10 = 8
So 1621066-75-8 is a valid CAS Registry Number.