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123811-57-4

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123811-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123811-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,1 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 123811-57:
(8*1)+(7*2)+(6*3)+(5*8)+(4*1)+(3*1)+(2*5)+(1*7)=104
104 % 10 = 4
So 123811-57-4 is a valid CAS Registry Number.

123811-57-4Downstream Products

123811-57-4Relevant articles and documents

Carboxyl functionalized platinum porphyrin material as well as preparation method and application thereof

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Paragraph 0040-0041; 0044-0045; 0048-0049, (2021/11/03)

The invention relates to the technical field of catalytic materials, and discloses a carboxyl functionalized platinum porphyrin material as well as a preparation method and application thereof. The material is obtained 5, 10, 15, 20 - (substituted methyl

Molecular engineering for efficient and selective iron porphyrin catalysts for electrochemical reduction of CO2 to CO

Ambre, Ram B.,Daniel, Quentin,Fan, Ting,Chen, Hong,Zhang, Biaobiao,Wang, Lei,Ahlquist, M?rten S. G.,Duan, Lele,Sun, Licheng

supporting information, p. 14478 - 14481 (2016/12/23)

Iron porphyrins Fe-pE, Fe-mE, and Fe-oE were synthesized and their electrochemical behavior for CO2 reduction to CO has been investigated. The controlled potential electrolysis of Fe-mE gave exclusive 65% Faradaic efficiency (FE) whereas Fe-oE

A New Picket-Fence Porphyrin Precursor. Synthesis and Atropisomerism of Free Base and Zinc Complex of meso-Tetra(o-methoxycarbonyl)porphyrin

Fujimoto, Tsutomu,Umekawa, Hideki,Nishino, Norikazu

, p. 37 - 40 (2007/10/02)

A new "picket-fence" porphyrin precursor with carboxy terminal groups has been prepared.Four atropisomers of meso-tetra(o-mehtoxycarbonylphenyl)porphyrin have been separated by chromatography.The conformational stability of the αααα-isomer was examined to

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