Cas 646499-38-9,3-cyano-2-hydrazono(3,3-dicyano-carbonylideno-4-benzalbutyronitril-2-ylideno)-4,5,6,7-tetrahydrobenzo[b]thiophene

646499-38-9

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Basic information

Product Name: 3-cyano-2-hydrazono(3,3-dicyano-carbonylideno-4-benzalbutyronitril-2-ylideno)-4,5,6,7-tetrahydrobenzo[b]thiophene
Synonyms:
CAS NO:646499-38-9
Molecular Formula:
Molecular Weight: 408.486
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: 3-cyano-2-hydrazono(3,3-dicyano-carbonylideno-4-benzalbutyronitril-2-ylideno)-4,5,6,7-tetrahydrobenzo[b]thiophene(CAS DataBase Reference)
NIST Chemistry Reference: 3-cyano-2-hydrazono(3,3-dicyano-carbonylideno-4-benzalbutyronitril-2-ylideno)-4,5,6,7-tetrahydrobenzo[b]thiophene(646499-38-9)
EPA Substance Registry System: 3-cyano-2-hydrazono(3,3-dicyano-carbonylideno-4-benzalbutyronitril-2-ylideno)-4,5,6,7-tetrahydrobenzo[b]thiophene(646499-38-9)

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Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 646499-38-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 646499-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,4,9 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 646499-38:
(8*6)+(7*4)+(6*6)+(5*4)+(4*9)+(3*9)+(2*3)+(1*8)=209
209 % 10 = 9
So 646499-38-9 is a valid CAS Registry Number.

646499-38-9Upstream product

646499-38-9Downstream Products

646499-38-9Relevant academic research and scientific papers

Reaction of 3-cyano-2-diazo-4,5,6,7-tetrahydrobenzo[b]thiophene with 3-imino-butyronitrile: Synthesis of pyridazines, thiophenes and their fused derivatives

Hilmy, Khalid M. H.,Mohareb,El-Torgman,Sharawy

, p. 1667 - 1680 (2003)

The reaction of the 3-cyano-2-diazo-4,5,6,7-tetrahydrobenzo[b]thiophene 1 with 3-imino-butyronitrile 2 gave the azo derivative (3). The reactivity of the latter product toward different reagents was studied to give fused derivatives with potential biologi

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