143738-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143738-51-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,3 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143738-51:
(8*1)+(7*4)+(6*3)+(5*7)+(4*3)+(3*8)+(2*5)+(1*1)=136
136 % 10 = 6
So 143738-51-6 is a valid CAS Registry Number.