1272320-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1272320-23-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,3,2 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1272320-23:
(9*1)+(8*2)+(7*7)+(6*2)+(5*3)+(4*2)+(3*0)+(2*2)+(1*3)=116
116 % 10 = 6
So 1272320-23-6 is a valid CAS Registry Number.