1123738-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1123738-11-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,3,7,3 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1123738-11:
(9*1)+(8*1)+(7*2)+(6*3)+(5*7)+(4*3)+(3*8)+(2*1)+(1*1)=123
123 % 10 = 3
So 1123738-11-3 is a valid CAS Registry Number.