753504-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 753504-51-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,3,5,0 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 753504-51:
(8*7)+(7*5)+(6*3)+(5*5)+(4*0)+(3*4)+(2*5)+(1*1)=157
157 % 10 = 7
So 753504-51-7 is a valid CAS Registry Number.