1047997-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1047997-32-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,7,9,9 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1047997-32:
(9*1)+(8*0)+(7*4)+(6*7)+(5*9)+(4*9)+(3*7)+(2*3)+(1*2)=189
189 % 10 = 9
So 1047997-32-9 is a valid CAS Registry Number.