237751-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 237751-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,7,7,5 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 237751-80:
(8*2)+(7*3)+(6*7)+(5*7)+(4*5)+(3*1)+(2*8)+(1*0)=153
153 % 10 = 3
So 237751-80-3 is a valid CAS Registry Number.