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5-(2,6-dihydrophenyl)-15-<4-(dimethoxymethyl)-2,6-dihydroxyphenyl>-2,8,12,18-tetrahexyl-3,7,13,17-tetramethyl-21H,23H-porphine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137709-23-0

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137709-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137709-23-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,0 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137709-23:
(8*1)+(7*3)+(6*7)+(5*7)+(4*0)+(3*9)+(2*2)+(1*3)=140
140 % 10 = 0
So 137709-23-0 is a valid CAS Registry Number.

137709-23-0Downstream Products

137709-23-0Relevant academic research and scientific papers

Doubly-Strapped Porphyrins as Useful Building Blocks for Selectively Metallated Oligoporphyrins

Osuka, Atsuhiro,Nagata, Toshi,Maruyama, Kazuhiro

, p. 1687 - 1690 (1991)

Metallation of a porphyrin ring was completely suppressed by introducing two (CH2)10 "straps" on the both sides of the porphyrin ring.Di- and triporphyrins with one "doubly-strapped" ring were quantitatively converted to the partially metallated product w

Synthesis and Characterization of Doubly-Strapped Porphyrins

Nagata, Toshi

, p. 385 - 391 (2007/10/02)

Synthesis of a "doubly-strapped" porphyrin is described, which has two -O(CH2)10O- straps on both sides of the porphyrin ring.This porphyrin did not form the zinc complex when treated with zinc acetate, even under forcing conditions.Such inertness toward

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