3758-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3758-21-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,5 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3758-21:
(6*3)+(5*7)+(4*5)+(3*8)+(2*2)+(1*1)=102
102 % 10 = 2
So 3758-21-2 is a valid CAS Registry Number.