Cas 77940-90-0,(R)-2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-isopropyl ester

77940-90-0

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Basic information

Product Name: (R)-2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-isopropyl ester
Synonyms:
CAS NO:77940-90-0
Molecular Formula:
Molecular Weight: 388.42
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: (R)-2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-isopropyl ester(CAS DataBase Reference)
NIST Chemistry Reference: (R)-2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-isopropyl ester(77940-90-0)
EPA Substance Registry System: (R)-2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-ethyl ester 5-isopropyl ester(77940-90-0)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 77940-90-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 77940-90-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,4 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77940-90:
(7*7)+(6*7)+(5*9)+(4*4)+(3*0)+(2*9)+(1*0)=170
170 % 10 = 0
So 77940-90-0 is a valid CAS Registry Number.

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77940-90-0Relevant 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 (1988)

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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