143238-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143238-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,2,3 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143238-85:
(8*1)+(7*4)+(6*3)+(5*2)+(4*3)+(3*8)+(2*8)+(1*5)=121
121 % 10 = 1
So 143238-85-1 is a valid CAS Registry Number.