1203707-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1203707-11-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,3,7,0 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1203707-11:
(9*1)+(8*2)+(7*0)+(6*3)+(5*7)+(4*0)+(3*7)+(2*1)+(1*1)=102
102 % 10 = 2
So 1203707-11-2 is a valid CAS Registry Number.