Cas 349662-90-4,methyl 2-amino-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-carboxylate

349662-90-4

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Basic information

Product Name: methyl 2-amino-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-carboxylate
Synonyms: methyl 2-amino-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-carboxylate
CAS NO:349662-90-4
Molecular Formula:
Molecular Weight: 229.324
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: methyl 2-amino-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-carboxylate(CAS DataBase Reference)
NIST Chemistry Reference: methyl 2-amino-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-carboxylate(349662-90-4)
EPA Substance Registry System: methyl 2-amino-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-carboxylate(349662-90-4)

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: 349662-90-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 349662-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,9,6,6 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 349662-90:
(8*3)+(7*4)+(6*9)+(5*6)+(4*6)+(3*2)+(2*9)+(1*0)=184
184 % 10 = 4
So 349662-90-4 is a valid CAS Registry Number.

349662-90-4Upstream product

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349662-90-4Relevant academic research and scientific papers

Synthesis of novel 2-aminothiophene-3-carboxylates by variations of the Gewald reaction

Buchstaller,Siebert,Lyssy,Frank,Duran,Gottschlich,Noe

, p. 279 - 293 (2001)

The synthesis of the title compounds through variations of the Gewald reaction is presented. Knoevenagel condensation of methylketone derivatives with methyl cyanoacetate and subsequent treatment of the α,β-unsaturated nitriles with sulfur and amine resul

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