1497287-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1497287-42-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,9,7,2,8 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1497287-42:
(9*1)+(8*4)+(7*9)+(6*7)+(5*2)+(4*8)+(3*7)+(2*4)+(1*2)=219
219 % 10 = 9
So 1497287-42-9 is a valid CAS Registry Number.