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84009-51-8

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84009-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84009-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,0,0 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84009-51:
(7*8)+(6*4)+(5*0)+(4*0)+(3*9)+(2*5)+(1*1)=118
118 % 10 = 8
So 84009-51-8 is a valid CAS Registry Number.

84009-51-8Relevant articles and documents

Highly efficient synthesis of chiral aromatic ketones: Via Rh-catalyzed asymmetric hydrogenation of β,β-disubstituted enones

Zhang, Tao,Jiang, Jun,Yao, Lin,Geng, Huiling,Zhang, Xumu

supporting information, p. 9258 - 9261 (2017/08/22)

A succinct and efficient protocol was developed for the synthesis of chiral aromatic ketones via asymmetric hydrogenation of β,β-disubstituted enones with rhodium catalysts based on chiral bisphosphine thiourea ligands. A series of substrates (17 examples) was smoothly catalyzed to afford the corresponding chiral aromatic ketones in high conversions (>99%) with excellent enantioselectivities (up to 96% ee).

Direct competitive enzyme-linked immunosorbent assay for the determination of the highly polar short-chain sulfophenyl carboxylates

Estevez, M.-Carmen,Galve, Roger,Sanchez-Baeza, Francisco,Marco, M.-Pilar

, p. 5283 - 5293 (2008/02/02)

A direct enzyme-linked immunosorbent assay for the detection of the short-chain sulfophenylcarboxylic acids (SPCs), the main metabolites of the linear alkylbenzene-sulfonates, is reported. Six SPCs (2C3, 2C 4, 3C4, 2C

Stereoselective synthesis of tetrasubstituted (Z)-alkenes from aryl alkyl ketones utilizing the Horner-Wadsworth-Emmons reaction

Sano, Shigeki,Takehisa, Tomoka,Ogawa, Shiho,Yokoyama, Kenji,Nagao, Yoshimitsu

, p. 1300 - 1302 (2007/10/03)

Tetrasubstituted (Z)-alkenes were readily prepared through the Horner-Wadsworth-Emmons reactions of methyl 2-[bis(2,2,2-trifluoroethyl) phosphono]propionate with aryl alkyl ketones by employing Sn(OSO 2CF3)2 and N-ethylpiperidine.

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