1071522-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1071522-69-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,1,5,2 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1071522-69:
(9*1)+(8*0)+(7*7)+(6*1)+(5*5)+(4*2)+(3*2)+(2*6)+(1*9)=124
124 % 10 = 4
So 1071522-69-4 is a valid CAS Registry Number.