1071572-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1071572-54-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,1,5,7 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1071572-54:
(9*1)+(8*0)+(7*7)+(6*1)+(5*5)+(4*7)+(3*2)+(2*5)+(1*4)=137
137 % 10 = 7
So 1071572-54-7 is a valid CAS Registry Number.