66923-37-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66923-37-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,2 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 66923-37:
(7*6)+(6*6)+(5*9)+(4*2)+(3*3)+(2*3)+(1*7)=153
153 % 10 = 3
So 66923-37-3 is a valid CAS Registry Number.