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tetramethyl 4,4',4'',4'''-{[5,10,15,20-tetrakis(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-15,20-dihydro-5H,10H-porphine-21,22,23,24-tetrayl]tetrakis(methylene)}tetrabenzoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1373274-37-3

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1373274-37-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1373274-37-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,2,7 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1373274-37:
(9*1)+(8*3)+(7*7)+(6*3)+(5*2)+(4*7)+(3*4)+(2*3)+(1*7)=163
163 % 10 = 3
So 1373274-37-3 is a valid CAS Registry Number.

1373274-37-3Downstream Products

1373274-37-3Relevant academic research and scientific papers

Colorimetric detection of trace water in tetrahydrofuran using N,N′-substituted oxoporphyrinogens

Ishihara, Shinsuke,Labuta, Jan,Sikorsky, Tomas,Burda, Jaroslav V.,Okamoto, Naoko,Abe, Hideki,Ariga, Katsuhiko,Hill, Jonathan P.

, p. 3933 - 3935 (2012)

Oxoporphyrinogens (OxPs) bind water molecules at pyrrolic NH and quinonoid carbonyl groups leading to visible colour changes due to variation in the π-electronic structure of OxPs. Introduction of hydrophilic substituents at two pyrrole NH groups improves

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