1307134-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1307134-57-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,7,1,3 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1307134-57:
(9*1)+(8*3)+(7*0)+(6*7)+(5*1)+(4*3)+(3*4)+(2*5)+(1*7)=121
121 % 10 = 1
So 1307134-57-1 is a valid CAS Registry Number.