Cas 137348-50-6,2-Propenal, 3-(2,4-diphenylindeno[2,1-b]pyran-9-yl)-

137348-50-6

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Basic information

Product Name: 2-Propenal, 3-(2,4-diphenylindeno[2,1-b]pyran-9-yl)-
Synonyms:
CAS NO:137348-50-6
Molecular Formula: C27H18O2
Molecular Weight: 374.439
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: 2-Propenal, 3-(2,4-diphenylindeno[2,1-b]pyran-9-yl)-(CAS DataBase Reference)
NIST Chemistry Reference: 2-Propenal, 3-(2,4-diphenylindeno[2,1-b]pyran-9-yl)-(137348-50-6)
EPA Substance Registry System: 2-Propenal, 3-(2,4-diphenylindeno[2,1-b]pyran-9-yl)-(137348-50-6)

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: 137348-50-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 137348-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,4 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137348-50:
(8*1)+(7*3)+(6*7)+(5*3)+(4*4)+(3*8)+(2*5)+(1*0)=136
136 % 10 = 6
So 137348-50-6 is a valid CAS Registry Number.

137348-50-6Upstream product

137348-50-6Downstream Products

137348-50-6Relevant academic research and scientific papers

PYRYLOCYANINES. 27. SYMMETRICAL POLYMETHINE DYES WITH AN INDENOPYRYLIUM NUCLEUS

Fedotov, K. V.,Romanov, N. N.,Tolmachev, A. I.

, p. 479 - 482 (1991)

A number of symmetrical dyes with an indenopyrylium nucleus were synthesized.It is shown that the peculiarities of their absorption spectra are due to the specific characteristics of the condensed heteroring.

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