Shanghai Nianxing Industrial Co., Ltd
China
Product Name: DL-Cycloserine
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: DL-Cycloserine
Price: ￥2108.0/100mg
Purity: 97.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Isoxazolidinone,4-amino-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

68-39-3

68-39-3 structure

68-39-3 structure

Name: DL-Cycloserine
Chemical Name: 4-amino-1,2-oxazolidin-3-one
CAS Number: 68-39-3
Molecular Formula: C₃H₆N₂O₂
Molecular Weight: 102.092
Catalog: Biochemical Amino acids and their derivatives Serine derivative
Create Date: 2018-05-29 08:00:00
Modify Date: 2025-08-21 15:40:03

Name	4-amino-1,2-oxazolidin-3-one
Synonyms	4-Amino-1,2-oxazolidin-3-one cycloserine 4-amino-3-isoxazolidinone 4-amino-3-isoxazolidone T5OMVTJ DZ (DL)-4-Amino-3-isoxazolidinone 4-Aminoisoxazolidin-3-one 3-Isoxazolidinone, 4-amino-

Density	1.3±0.1 g/cm3
Melting Point	147ºC
Molecular Formula	C₃H₆N₂O₂
Molecular Weight	102.092
Exact Mass	102.042931
PSA	67.84000
LogP	-1.84
Index of Refraction	1.475
Storage condition	−20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NY2974900

CHEMICAL NAME :: 3-Isoxazolidinone, 4-amino-, (+-)-

CAS REGISTRY NUMBER :: 68-39-3

LAST UPDATED :: 198509

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C3-H6-N2-O2

MOLECULAR WEIGHT :: 102.11

WISWESSER LINE NOTATION :: T5OMVTJ DZ -+-

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 21,298,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2814 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 13,447,1958

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	NY2974900
HS Code	2934999090

27010-92-0 structure

27010-92-0

~49%

68-39-3 structure

68-39-3

Literature: Thacker, Nathan C.; Molnar-Toth, Judit; Miska, Judy L.; Barletta, Raul G.; Takacs, James M. Heterocycles, 2012 , vol. 86, # 2 p. 1575 - 1582

120854-55-9 structure

120854-55-9

~%

68-39-3 structure

68-39-3

Literature: Helvetica Chimica Acta, , vol. 40, p. 1531,1544 US2862002 , ;

6344-12-3 structure

6344-12-3

~%

68-39-3 structure

68-39-3

Literature: Journal of Organic Chemistry, , vol. 30, p. 3436 - 3442

103758-42-5 structure

103758-42-5

~%

68-39-3 structure

68-39-3

Literature: Helvetica Chimica Acta, , vol. 40, p. 1531,1544

Precursor 4
27010-92-0 120854-55-9 6344-12-3 103758-42-5
DownStream 1
129661-56-9

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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