1137648-52-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1137648-52-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,7,6,4 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1137648-52:
(9*1)+(8*1)+(7*3)+(6*7)+(5*6)+(4*4)+(3*8)+(2*5)+(1*2)=162
162 % 10 = 2
So 1137648-52-2 is a valid CAS Registry Number.