Cas 77120-07-1,3-{5-[5-Ethoxy-4-methyl-3-vinyl-pyrrol-(2Z)-ylidenemethyl]-4-methyl-2-phenylazo-1H-pyrrol-3-yl}-propionic acid methyl ester

77120-07-1

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Basic information

Product Name: 3-{5-[5-Ethoxy-4-methyl-3-vinyl-pyrrol-(2Z)-ylidenemethyl]-4-methyl-2-phenylazo-1H-pyrrol-3-yl}-propionic acid methyl ester
Synonyms:
CAS NO:77120-07-1
Molecular Formula:
Molecular Weight: 432.522
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-{5-[5-Ethoxy-4-methyl-3-vinyl-pyrrol-(2Z)-ylidenemethyl]-4-methyl-2-phenylazo-1H-pyrrol-3-yl}-propionic acid methyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 3-{5-[5-Ethoxy-4-methyl-3-vinyl-pyrrol-(2Z)-ylidenemethyl]-4-methyl-2-phenylazo-1H-pyrrol-3-yl}-propionic acid methyl ester(77120-07-1)
EPA Substance Registry System: 3-{5-[5-Ethoxy-4-methyl-3-vinyl-pyrrol-(2Z)-ylidenemethyl]-4-methyl-2-phenylazo-1H-pyrrol-3-yl}-propionic acid methyl ester(77120-07-1)

Safety Data

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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 77120-07-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 77120-07-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,2 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77120-07:
(7*7)+(6*7)+(5*1)+(4*2)+(3*0)+(2*0)+(1*7)=111
111 % 10 = 1
So 77120-07-1 is a valid CAS Registry Number.

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77120-07-1Relevant academic research and scientific papers

TAUTOMERISM OF AZOPIGMENTS DERIVIED FROM BILIRUBIN

Compernolle, F.,Toppet, S.,Hutchinson, D.W.

, p. 2237 - 2240 (1980)

(1)H and (13)C n.m.r. data indicate that bilirubin azopigments exist predominantly as phenylhydrazone rather than azobenzene tautomers.Whereas O-lactim ethers derived from the azopigments exist predominantly as the azobenzene tautomers.

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