1620094-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620094-09-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,0,9 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1620094-09:
(9*1)+(8*6)+(7*2)+(6*0)+(5*0)+(4*9)+(3*4)+(2*0)+(1*9)=128
128 % 10 = 8
So 1620094-09-8 is a valid CAS Registry Number.