1001757-54-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1001757-54-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,1,7,5 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1001757-54:
(9*1)+(8*0)+(7*0)+(6*1)+(5*7)+(4*5)+(3*7)+(2*5)+(1*4)=105
105 % 10 = 5
So 1001757-54-5 is a valid CAS Registry Number.