1213306-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213306-54-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,3,0 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1213306-54:
(9*1)+(8*2)+(7*1)+(6*3)+(5*3)+(4*0)+(3*6)+(2*5)+(1*4)=97
97 % 10 = 7
So 1213306-54-7 is a valid CAS Registry Number.