73747-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73747-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,4 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73747-70:
(7*7)+(6*3)+(5*7)+(4*4)+(3*7)+(2*7)+(1*0)=153
153 % 10 = 3
So 73747-70-3 is a valid CAS Registry Number.