437703-38-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 437703-38-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,7,7,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 437703-38:
(8*4)+(7*3)+(6*7)+(5*7)+(4*0)+(3*3)+(2*3)+(1*8)=153
153 % 10 = 3
So 437703-38-3 is a valid CAS Registry Number.