1237120-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1237120-72-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,7,1,2 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1237120-72:
(9*1)+(8*2)+(7*3)+(6*7)+(5*1)+(4*2)+(3*0)+(2*7)+(1*2)=117
117 % 10 = 7
So 1237120-72-7 is a valid CAS Registry Number.