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193903-54-7

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193903-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193903-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,0 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 193903-54:
(8*1)+(7*9)+(6*3)+(5*9)+(4*0)+(3*3)+(2*5)+(1*4)=157
157 % 10 = 7
So 193903-54-7 is a valid CAS Registry Number.

193903-54-7Relevant articles and documents

Boosting hydrogen evolution by using covalent frameworks of fluorinated cobalt porphyrins supported on carbon nanotubes

Xu, Gelun,Lei, Haitao,Zhou, Guojun,Zhang, Chaochao,Xie, Lisi,Zhang, Wei,Cao, Rui

, p. 12647 - 12650 (2019/10/28)

A cobalt(ii) tetrakis(2,3,5,6-tetrafluoro-4-ethynylphenyl)porphyrin (FCoP-H) was designed and synthesized. With carbon-nanotube-templated polymerization, covalent porphyrin frameworks using FCoP-H can be synthesized via the Hay-coupling. The resulting FCo

Energy transfer followed by electron transfer in a porphyrin macrocycle and central acceptor ligand: A model for a photosynthetic composite of the light-harvesting complex and reaction center

Kuramochi, Yusuke,Sandanayaka, Atula S. D.,Satake, Akiharu,Araki, Yasuyuki,Ogawa, Kazuya,Ito, Osamu,Kobuke, Yoshiaki

experimental part, p. 2317 - 2327 (2009/12/04)

A system that models a photosynthetic composite of the light-harvesting complex and reaction center is reported in which light energy collected by cyclic antenna porphyrins is transferred to a central energy-acceptor porphyrin, followed by photoinduced el

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