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143755-27-5

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143755-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143755-27-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,5 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143755-27:
(8*1)+(7*4)+(6*3)+(5*7)+(4*5)+(3*5)+(2*2)+(1*7)=135
135 % 10 = 5
So 143755-27-5 is a valid CAS Registry Number.

143755-27-5Downstream Products

143755-27-5Relevant articles and documents

Convenient synthesis of 1,2-dihydroquinoline-3-carboxylic acid and 2H-1-benzothiopyran-3-carbpxylic acid derivatives

Kobayashi, Kazuhiro,Nakahashi, Ryoji,Shimizu, Akiko,Kitamura, Tomohide,Morikawa, Osamu,Konishi, Hisatoshi

, p. 1547 - 1551 (2007/10/03)

A new and efficient method for the preparation of 1,2-dihydroquinoline-3-carboxylic acid derivatives via a magnesium amide-induced sequential conjugate addition-aldol type condensation reaction between 2-(alkylamino)phenyl ketones and α,β-unsaturated carb

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