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125354-93-0

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125354-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125354-93-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,3,5 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 125354-93:
(8*1)+(7*2)+(6*5)+(5*3)+(4*5)+(3*4)+(2*9)+(1*3)=120
120 % 10 = 0
So 125354-93-0 is a valid CAS Registry Number.

125354-93-0Relevant articles and documents

Novel protocol for the asymmetric synthesis of 3-hydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1,5-benzothiazepin-4(5H)-one via bakers' yeast reduction

Komiyama, Takuzo,Takaguchi, Yutaka,Tsuboi, Sadao

, p. 147 - 151 (2007/10/03)

A novel protocol for the asymmetric synthesis of 3-hydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1,5-benzothiazepin-4(5H)-one is reported. Darzens condensation reactions of anisaldehyde with dichloroacetates, followed substitution reaction of sodium o-nitrophenylthiolate and bakers' yeast reduction furnished 2-hydroxy-3-(4-methoxyphenyl)-3-(2-nitrophenylsulfanyl)-propionates. Further reduction of a nitro group and cyclization gave the title compound.

Enzymatic hydrolysis in organic solvents for kinetic resolution of water-insoluble α-acyloxy esters with immobilized lipases

Akita, Hiroyuki,Umezawa, Isao,Matsukura, Hiroko

, p. 272 - 278 (2007/10/03)

Enantioselective hydrolysis of water-insoluble α-acyloxy esters, (±)- 5 and (±)-6, was carried out using lipases immobilized with Celite or a synthetic prepolymer (ENTP-4000 or ENT-4000) in a water-saturated organic solvent to produce chiral intermediates, (2S,3S)-5 and (2S,3R)-4, for the synthesis of diltiazem hydrochloride 1 and (-)-indolmycin 2, respectively. Furthermore, enantioselective hydrolysis of (±)-6 using lipid-lipase aggregates in water-saturated organic solvent was also found to give (2S,3R)- 4.

ENZYMATIC HYDROLYSIS IN ORGANIC SOLVENTS FOR KINETIC RESOLUTION OF WATER-INSOLUBLE α-ACYLOXY ESTERS WITH IMMOBILIZED LIPASES

Akita, Hiroyuki,Enoki, Yuko,Yamada, Harutami,Oishi, Takeshi

, p. 2876 - 2878 (2007/10/02)

Asymmetric hydrolysis of water-insoluble α-acyloxy esters, (+/-)-5 and (+/-)-6, was carried out using lipases immobilized with celite or synthetic prepolymer (ENTP-4000 or ENT-4000) in water-saturated organic solvent to produce chiral intermediates, (2S,3

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