1380420-88-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380420-88-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,4,2 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1380420-88:
(9*1)+(8*3)+(7*8)+(6*0)+(5*4)+(4*2)+(3*0)+(2*8)+(1*8)=141
141 % 10 = 1
So 1380420-88-1 is a valid CAS Registry Number.