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1808-09-9

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1808-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1808-09-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,0 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1808-09:
(6*1)+(5*8)+(4*0)+(3*8)+(2*0)+(1*9)=79
79 % 10 = 9
So 1808-09-9 is a valid CAS Registry Number.

1808-09-9Downstream Products

1808-09-9Relevant articles and documents

Selective dimerization of higher cycloolefins in the presence of micro- and micromesoporous zeolite catalysts

Grigor'Eva,Bubennov,Khazipova,Khalilov,Kutepov

, p. 444 - 449 (2013)

Selective synthesis of dimers of cycloolefins C6-C8 was carried out in the presence of highly dispersed zeolite catalysts HY, HBeta, and HZSM-12 and granulated zeolite HY-WB, which differ in acidic properties and pore structure. The high selectivity of microporous zeolite HZSM-12 in cyclohexene dimerization (100%) and micromesoporous zeolite HY-WB in cycloheptene and cyclooctene dimerization (90-95%) was established.

Deciphering Photoluminescence Dynamics and Reactivity of the Luminescent Metal-Metal-Bonded Excited State of a Binuclear Gold(I) Phosphine Complex Containing Open Coordination Sites

Ma, Chensheng,Chan, Chris Tsz-Leung,To, Wai-Pong,Kwok, Wai-Ming,Che, Chi-Ming

supporting information, p. 13888 - 13893 (2015/09/28)

Luminescent metal complexes having open coordination sites hold promise in the design of sensory materials and photocatalysts. As a prototype example, [Au2(dcpm)2)]2+ (dcpm = bis(dicyclohexylphosphanyl) is known for its intriguing environmental sensitive photoluminescence. By integrating a range of complementary ultrafast time-resolved spectroscopy to interrogate the excited state dynamics, this study uncovers that the events occurring in extremely rapid timescales and which are modulated strongly by environmental conditions play a pivotal role in the luminescence behavior and photochemical outcomes. Formed independent of the phase and solvent property within 0.15 ps, the metal-metal bonded 35dσ6pσ state is highly reactive possessing strong propensity toward increasing coordination number at AuI center, and with 510 ps lifetime in dichloromethane is able to mediate light induced C-X bond cleavage.

Photochemical Hydroxymethylation of Alicyclic and Aliphatic Alkenes Induced by a EuIII/EuII Photoredox System in Methanol

Ishida, Akito,Yamashita, Shinya,Toki, Susumu,Takamuku, Setsuo

, p. 1195 - 1200 (2007/10/02)

The photoirradiation of a methanol solution of EuCl3 and alkenes such as cyclohexene, cyclooctene, cyclododecene, and tetramethylene afforded (hydroxymethyl)alkane.The dihydro dimer of alkene,hydrogen, and ethylene glycol are also formed.Reactions proceed via a radical mechanism induced by hydrogen atoms and hydroxymethyl radicals, which are produced by a photoredoc reaction of EuIII/EuII in methanol.

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