Cas 256340-88-2,5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione

256340-88-2

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Basic information

Product Name: 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione
Synonyms: 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione
CAS NO:256340-88-2
Molecular Formula:
Molecular Weight: 250.365
EINECS: N/A
Product Categories: N/A
Mol File: 256340-88-2.mol
Article Data: 1

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: 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione(CAS DataBase Reference)
NIST Chemistry Reference: 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione(256340-88-2)
EPA Substance Registry System: 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione(256340-88-2)

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: 256340-88-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 256340-88-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,3,4 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 256340-88:
(8*2)+(7*5)+(6*6)+(5*3)+(4*4)+(3*0)+(2*8)+(1*8)=142
142 % 10 = 2
So 256340-88-2 is a valid CAS Registry Number.

256340-88-2Upstream product

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256340-88-2Relevant articles and documents

Synthesis and properties of 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyrtoine-2(1H)-thione

Krivokolysko,Dyachenko,Litvinov

, p. 455 - 458 (1999)

Condensation of isovaleric aldehyde with cyanothioacetamide and acetylacetone or its enamine produces 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione, from which 5-acetyl-3-cyano-4-isobutyl-6-methylpyridine-2(1H)-thione and the corresponding substituted 2-alkylthio-1,4-dihydropyridines are prepared. 1999 KluwerAcademic/Plenum Publishers.

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