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(R)-2,6-Dimethyl-4-p-tolyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-tert-butyl ester 5-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

121236-77-9

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121236-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121236-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,3 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121236-77:
(8*1)+(7*2)+(6*1)+(5*2)+(4*3)+(3*6)+(2*7)+(1*7)=89
89 % 10 = 9
So 121236-77-9 is a valid CAS Registry Number.

121236-77-9Downstream Products

121236-77-9Relevant academic research and scientific papers

ENANTIOSELECTIVE HANTZSCH DIHYDROPYRIDINE SYNTHESIS VIA METALATED CHIRAL ALKYL ACETOACETATE HYDRAZONES

Enders, Dieter,Mueller, Stephan,Demir, Ayhan S.

, p. 6437 - 6440 (2007/10/02)

An efficient, overall enantioselective variant of the Hantzsch synthesis of 4-aryl-1,4-dihydropyridines 5 (ee = 84 - 98percent), important biologically active compounds (e. g. as calcium channel blockers), is described.Key step of the new procedure is the

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