1047981-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1047981-71-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,7,9,8 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1047981-71:
(9*1)+(8*0)+(7*4)+(6*7)+(5*9)+(4*8)+(3*1)+(2*7)+(1*1)=174
174 % 10 = 4
So 1047981-71-4 is a valid CAS Registry Number.