73992-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73992-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,9 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73992-03:
(7*7)+(6*3)+(5*9)+(4*9)+(3*2)+(2*0)+(1*3)=157
157 % 10 = 7
So 73992-03-7 is a valid CAS Registry Number.