天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

ChemicalBook--->CAS DataBase List--->68108-18-9

68108-18-9

68108-18-9 Structure

68108-18-9 Structure
IdentificationMore
[Name]

(S)-4-Hydroxy-2-pyrrolidinone
[CAS]

68108-18-9
[Synonyms]

2-PYRROLIDINONE, 4-HYDROXY-, (4S)-
2-PYRROLIDINONE, 4-HYDROXY-, (S)
4-HYDROXY-PYRROLIDIN-2-ONE
(4S)-4-HYDROXYPYRROLIDIN-2-ONE
(S)-(-)-4-HYDROXY-2-PYRROLIDINONE
(S)-(+)-4-HYDROXY-2-PYRROLIDINONE
(S)-4-HYDROXY-2-PYRROLIDINONE
(S)-4-HYDROXY-2-PYRROLIDONE
(S)-4-HYDROXY-PYRROLIDINE-2-ONE
(S)-BETA-HYDROXY-GAMMA-BUTYROLACTAM
SHPD
(s)-(-)-β-hydroxy-γ-butyrolactam
(s)-β-hydroxy-γ-butyrolactam
(S)-4-Hydroxy-pyrrolidin-2-one
[Molecular Formula]

C4H7NO2
[MDL Number]

MFCD00273370
[Molecular Weight]

101.1
[MOL File]

68108-18-9.mol
Chemical PropertiesBack Directory
[Melting point ]

156-159 °C (lit.)
[alpha ]

-41 º (c=% in ethanol)
[Boiling point ]

363.6±35.0 °C(Predicted)
[density ]

1.292±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[form ]

Solid
[pka]

13.62±0.20(Predicted)
[color ]

White to off-white
[optical activity]

[α]23/D 43°, c = 1 in ethanol
[BRN ]

1524192
[InChIKey]

IOGISYQVOGVIEU-VKHMYHEASA-N
[CAS DataBase Reference]

68108-18-9(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

22-41
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[HS Code ]

29349990
Hazard InformationBack Directory
[Chemical Properties]

White crystal
[Uses]

(S)-(?)-4-Hydroxy-2-pyrrolidinone can be used as a starting material in the preparation of:
  • Biologically significant pyrrolo[1,2:1′,2′]azepino[5,6-b]indole derivatives.
  • Substituted azepanes by reacting with various aldehydes via photochemical [5+2] cycloaddition.

[Uses]

The (S)-enantiomer intermediate in the preparation of Oxiracetam
[General Description]

4-Hydroxy-2-pyrrolidinone is an important building block found in many bioactive compounds like streptopyrrolidine. It can be used as an intermediate in the synthesis of various γ-amino acids (GABA) and substituted 2-pyrrolidinones like cynometrine and cynodine.
Spectrum DetailBack Directory
[Spectrum Detail]

(S)-4-Hydroxy-2-pyrrolidinone(68108-18-9)IR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

68108-18-9(sigmaaldrich)
68108-18-9 suppliers list
Company Name: Capot Chemical Co.,Ltd.
Tel: +86-(0)57185586718 +86-13336195806 , +86-13336195806
Website: www.capot.com
Company Name: Shanghai Daken Advanced Materials Co.,Ltd
Tel: +86-371-66670886
Website: https://www.dakenchem.com/
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: +86-0371-55170693 +86-19937530512 , +86-19937530512
Website: https://www.tianfuchem.com/
Company Name: ATK CHEMICAL COMPANY LIMITED
Tel: +undefined-21-51877795
Website: www.atkchemical.com
Company Name: career henan chemical co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com/
Company Name: Klong Industrial Co., Ltd
Tel: 0086-519-68231162
Website: www.approvedhomemanagement.com/ShowSupplierProductsList30929/0.htm
Company Name: Changzhou Ansciep Chemical Co., Ltd.
Tel: +86 519 86305871
Website: www.approvedhomemanagement.com/ShowSupplierProductsList31173/0.htm
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 18871490254
Website: www.hubeijusheng.com
Company Name: Accela ChemBio Inc.
Tel: +1-858-6993322
Website: www.accelachem.com/
Company Name: Standardpharm Co. Ltd.
Tel: 86-714-3992388
Website: www.standardpharm.com
Company Name: Chongqing Chemdad Co., Ltd
Tel: +86-023-6139-8061 +86-86-13650506873 , +86-86-13650506873
Website: http://www.chemdad.com/
Company Name: Alchem Pharmtech,Inc.
Tel: 8485655694
Website: www.approvedhomemanagement.com/ShowSupplierProductsList454175/0.htm
Company Name: Wuhan Chemwish Technology Co., Ltd
Tel: 027-67849912
Website: www.approvedhomemanagement.com/ShowSupplierProductsList485773/0.htm
Company Name: CONIER CHEM AND PHARMA LIMITED
Tel: +8618523575427 , +8618523575427
Website: http://www.conier.com/
Company Name: Antai Fine Chemical Technology Co.,Limited
Tel: 18503026267 , 18503026267
Website: www.approvedhomemanagement.com/ShowSupplierProductsList1980510/0.htm
Company Name: Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Tel: +8613580539051 , +8613580539051
Website: www.yuhengpharm.com
Company Name: SIMAGCHEM CORP
Tel: +86-13806087780 , +86-13806087780
Website: http://www.simagchem.com/
Company Name: Hubei Ipure Biology Co., Ltd
Tel: +8613367258412 , +8613367258412
Website: www.ipurechemical.com
Tags:68108-18-9 Related Product Information
99437-13-5 77191-37-8 21954-96-1 85614-52-4 62833-66-3 62613-82-5 96820-00-7 1914-99-4 616-45-5 872-50-4 25655-41-8 88-12-0 62613-81-4 22677-21-0 68108-18-9