37648-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37648-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,6,4 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 37648-68:
(7*3)+(6*7)+(5*6)+(4*4)+(3*8)+(2*6)+(1*8)=153
153 % 10 = 3
So 37648-68-3 is a valid CAS Registry Number.