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17845-65-7

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17845-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17845-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,4 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17845-65:
(7*1)+(6*7)+(5*8)+(4*4)+(3*5)+(2*6)+(1*5)=137
137 % 10 = 7
So 17845-65-7 is a valid CAS Registry Number.

17845-65-7Relevant articles and documents

Molecular structure of a μ-Oxo chromium-iron complex: Rare example of a crystallographically characterized μ-Oxo heterometallic porphyrin

Oyaizu, Kenichi,Haryono, Agus,Nishimura, Yukio,Yamamoto, Kimihisa,Tsuchida, Eishun

, p. 1781 - 1784 (1999)

The crystal structure of a μ-oxo heterometallic porphyrin [(pip)(tpp)Cr(III)[OFe(III)[(tpp)] (pip = piperidine) not only confirmed the proposed oxidation state of chromium and iron atoms, but also revealed a unique coordination environment around chromium(III), which is substantially protruded from the porphyrin plane.

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