1493777-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1493777-61-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,9,3,7,7 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1493777-61:
(9*1)+(8*4)+(7*9)+(6*3)+(5*7)+(4*7)+(3*7)+(2*6)+(1*1)=219
219 % 10 = 9
So 1493777-61-9 is a valid CAS Registry Number.