Shanghai Nianxing Industrial Co., Ltd
China
Product Name: (S)-(-)-4-Isobutyloxazolidine-2,5-Dione
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: (S)-(-)-4-Isobutyloxazolidine-2,5-Dione
Price: ￥178.0/250mg ￥418.0/1g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,5-Oxazolidinedione,4-(2-methylpropyl)-, (4S)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3190-70-3

3190-70-3 structure

Name: (S)-(-)-4-Isobutyloxazolidine-2,5-Dione
Chemical Name: N-Carboxy-L-leucine anhydride
CAS Number: 3190-70-3
Molecular Formula: C₇H₁₁NO₃
Molecular Weight: 157.16700
Create Date: 2018-12-31 19:52:51
Modify Date: 2025-08-22 20:39:35

Name	N-Carboxy-L-leucine anhydride
Synonyms	L-Leucine NCA L-Leu-NCA N-carboxyanhydride of L-leucine L-4-isobutyl-1,3-oxazolidine-2,5-dione L-Leucine N-carboxyanhydride (S)-(-)-4-Isobutyloxazolidine-2,5-Dione EINECS 221-692-2

Density	1.125 g/cm3
Melting Point	76-77ºC
Molecular Formula	C₇H₁₁NO₃
Molecular Weight	157.16700
Exact Mass	157.07400
PSA	55.40000
LogP	0.99630
Index of Refraction	1.451
Storage condition	2-8°C

Hazard Codes	Xi
Safety Phrases	S22-S24/25
HS Code	2934999090

75-44-5

61-90-5

~83%

3190-70-3

Literature: Gerlach, Arne; Geller, Thomas Advanced Synthesis and Catalysis, 2004 , vol. 346, # 9-10 p. 1247 - 1249

61-90-5

503-38-8

~89%

3190-70-3

Literature: Milo, Anat; Neumann, Ronny Advanced Synthesis and Catalysis, 2010 , vol. 352, # 13 p. 2159 - 2165

61-90-5

~78%

3190-70-3

Literature: Bioresearch, Inc. Patent: US5028693 A1, 1991 ;

61-90-5

32315-10-9

~82%

3190-70-3

Literature: Zhang, Guolin; Liang, Fang; Song, Ximing; Liu, Daliang; Li, Mengjiang; Wu, Qiuhua Carbohydrate Polymers, 2010 , vol. 80, # 3 p. 885 - 890

2018-66-8

~79%

3190-70-3

Literature: Xu, Xianghui; Yuan, Hui; Chang, Jing; He, Bin; Gu, Zhongwei Angewandte Chemie - International Edition, 2012 , vol. 51, # 13 p. 3130 - 3133

74761-37-8

~57%

3190-70-3

Literature: Itoh, Osamu; Honnami, Toshiya; Amano, Akira; Murata, Kouichi; Koichi, Youta; Sugita, Toshio Journal of Organic Chemistry, 1992 , vol. 57, # 28 p. 7334 - 7338

61-90-5

24424-95-1

~33%

3190-70-3

Literature: Nagai, Atsushi; Sato, Daisuke; Ishikawa, Junichi; Ochiai, Bungo; Kudo, Hiroto; Endo, Takeshi Macromolecules, 2004 , vol. 37, # 7 p. 2332 - 2334

18919-40-9

3190-70-3

Literature: Chemische Berichte, , vol. 104, p. 3146 - 3155

2018-66-8

79-37-8

3190-70-3

Literature: Heterocycles, , vol. 64, p. 129 - 141

Precursor 8
75-44-5 61-90-5 503-38-8 32315-10-9
2018-66-8 74761-37-8 24424-95-1 79-37-8
DownStream 9
3303-31-9 686-50-0 462-60-2 7298-84-2
3063-05-6 61-90-5 1187-50-4 13588-95-9
66900-32-1

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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