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123312-23-2

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123312-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123312-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,1 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123312-23:
(8*1)+(7*2)+(6*3)+(5*3)+(4*1)+(3*2)+(2*2)+(1*3)=72
72 % 10 = 2
So 123312-23-2 is a valid CAS Registry Number.

123312-23-2Relevant articles and documents

Reduction of α,β-unsaturated nitroolefins into nitroalkanes with Hantzsch ester promoted by isothiouronium salts

Kang, Sungmin,Lee, Haney,Kim, Taek Hyeon

, p. 2460 - 2465 (2019)

α,β-Unsaturated nitroolefins were reduced into nitroalkanes with a Hantzsch ester, promoted by S-benzyl isothiouronium iodide. The reactions proceeded successfully to afford the desired products in high yields and with excellent chemoselectivity.

The highly chemoselective transfer hydrogenation of the carbon-carbon double bond of conjugated nitroalkenes by a rhodium complex

Xiang, Jing,Sun, Er-Xiao,Lian, Chun-Xia,Yuan, Wei-Cheng,Zhu, Jin,Wang, Qiwei,Deng, Jingen

experimental part, p. 4609 - 4620 (2012/07/28)

Chemoselective transfer hydrogenation of conjugated nitroalkenes catalyzed by [RhCl2Cp·]2-diamine complex (Cp ·=η5-C5Me5) using HCOOH/Et3N (5:2) (TEAF) as a hydrogen source was realized. A variety of nitrostyrenes, β-methyl nitrostyrenes, and 3-methyl-4-nitro-5-alkenyl- isoxazoles were reduced smoothly in good to excellent yields in short reaction time. Other functional groups are inert under the reaction conditions.

Ethanolamine derivatives having sympathomimetic and anti-pollakiuria activities

-

, (2008/06/13)

This invention relates to new ethanolamine derivatives having gut selective sympathomimetic and anti-pollakiuria activities and represented by the general formula [I]: STR1 wherein R1 is aryl or a heterocyclic group, each of which may be substituted with halogen, etc., R2 is hydrogen, halogen, nitro, hydroxy, lower alkyl optionally substituted with acyl, lower alkenyl optionally substituted with acyl, lower alkoxy optionally substituted with acyl, or amino optionally substituted with acyl(lower)alkyl, R3 is hydrogen, an N-protective group, or lower alkyl optionally substituted with lower alkylthio, n is an integer of 0 to 3, and a heavy solid line means a single bond or a double bond, provided that when n is 1, then 1) R1 is a condensed aromatic hydrocarbon group or a heterocyclic group, each of which may be substituted with halogen, etc., and the like, and pharmaceutically acceptable salts thereof to processes for the preparation thereof and to a pharmaceutical composition comprising the same.

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