1272318-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1272318-52-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,3,1 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1272318-52:
(9*1)+(8*2)+(7*7)+(6*2)+(5*3)+(4*1)+(3*8)+(2*5)+(1*2)=141
141 % 10 = 1
So 1272318-52-1 is a valid CAS Registry Number.