1447990-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1447990-65-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,7,9,9 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1447990-65:
(9*1)+(8*4)+(7*4)+(6*7)+(5*9)+(4*9)+(3*0)+(2*6)+(1*5)=209
209 % 10 = 9
So 1447990-65-9 is a valid CAS Registry Number.