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74918-89-1

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74918-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74918-89-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,1 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74918-89:
(7*7)+(6*4)+(5*9)+(4*1)+(3*8)+(2*8)+(1*9)=171
171 % 10 = 1
So 74918-89-1 is a valid CAS Registry Number.

74918-89-1Downstream Products

74918-89-1Relevant articles and documents

Synthesis of unsymmetrical polysubstituted pyridines from β-sulfonylvinylamines via 1-aza-allyl anion intermediates

Lau, Chan,Tsui, Gavin Chit,Lautens, Mark

, p. 3908 - 3914 (2012/01/11)

A modular synthesis of highly functionalized unsymmetrical pyridines has been developed from reacting β-sulfonylvinylamines with α,β-unsaturated systems in the presence of base via the formation of 1-aza-allyl anion intermediates. Georg Thieme Verlag Stut

Synthesis of Some New 2,4,6-Triarylpyridines Using Phenacylidenedimethylsulfuranes

Gupta, Komal C.,Pathak, Pankaj K.,Saxena, Brijesh K.,Srivastava, Nirupma,Pandey, Kalpna

, p. 131 - 132 (2007/10/02)

Phenacylidenedimethylsulfurane and p-chlorophenacylidenedimethylsulfurane were reacted with α,β-unsaturated ketones in the presence of ammonium acetate in glacial acetic acid to give 2,4,6-triarylpyridines in 45-70percent yields.The structures of the pyri

A New Route to 2,4,6-Triarylpyridines via Stabilized Sulfuranes

Tewari, Ram S.,Awasthi, Alok K.

, p. 314 - 315 (2007/10/02)

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