1629161-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1629161-94-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,9,1,6 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1629161-94:
(9*1)+(8*6)+(7*2)+(6*9)+(5*1)+(4*6)+(3*1)+(2*9)+(1*4)=179
179 % 10 = 9
So 1629161-94-9 is a valid CAS Registry Number.