1273415-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1273415-58-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,3,4,1 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1273415-58:
(9*1)+(8*2)+(7*7)+(6*3)+(5*4)+(4*1)+(3*5)+(2*5)+(1*8)=149
149 % 10 = 9
So 1273415-58-9 is a valid CAS Registry Number.