205755-86-8 Usage
Chemical Properties
White Solid
Uses
An Efavirenz (E425000) impurity.
Check Digit Verification of cas no
The CAS Registry Mumber 205755-86-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,7,5 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 205755-86:
(8*2)+(7*0)+(6*5)+(5*7)+(4*5)+(3*5)+(2*8)+(1*6)=138
138 % 10 = 8
So 205755-86-8 is a valid CAS Registry Number.