1374225-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1374225-42-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,2,2 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1374225-42:
(9*1)+(8*3)+(7*7)+(6*4)+(5*2)+(4*2)+(3*5)+(2*4)+(1*2)=149
149 % 10 = 9
So 1374225-42-9 is a valid CAS Registry Number.