1384271-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1384271-34-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,4,2,7 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1384271-34:
(9*1)+(8*3)+(7*8)+(6*4)+(5*2)+(4*7)+(3*1)+(2*3)+(1*4)=164
164 % 10 = 4
So 1384271-34-4 is a valid CAS Registry Number.