111887-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111887-69-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,8 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 111887-69:
(8*1)+(7*1)+(6*1)+(5*8)+(4*8)+(3*7)+(2*6)+(1*9)=135
135 % 10 = 5
So 111887-69-5 is a valid CAS Registry Number.
111887-69-5Relevant articles and documents
DIRECT FLUORINATION OF SUBSTITUTED PYRIDINES
Puy, Michael Van Der
, p. 255 - 258 (2007/10/02)
The direct fluorination of pyridines bearing alkyl, halogen, ester, or ketone functions has been employed to prepare the corresponding 2-fluoro-substituted pyridines.