116228-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116228-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,2,2 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 116228-44:
(8*1)+(7*1)+(6*6)+(5*2)+(4*2)+(3*8)+(2*4)+(1*4)=105
105 % 10 = 5
So 116228-44-5 is a valid CAS Registry Number.
116228-44-5Relevant academic research and scientific papers
On the Chemistry of Pyrazolylalkines; Pyrazoles II.
Heinisch, Gottfried,Holzer, Wolfgang,Obala, Claudia
, p. 253 - 262 (2007/10/02)
Palladium-catalyzed reactions of 1-benzoyl-4-iodopyrazole (2a) with monosubstituted acetylenes 3a,3b and 3c in triethylamine solution provide convenient access to the cross-coupled products 4a,4b and 4c.The 4-ethinylpyrazoles 5a and 7 obtained after metha