75370-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75370-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,7 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75370-21:
(7*7)+(6*5)+(5*3)+(4*7)+(3*0)+(2*2)+(1*1)=127
127 % 10 = 7
So 75370-21-7 is a valid CAS Registry Number.