U 43795

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MedKoo CAT#: 585312

CAS#: 54549-02-9

Description: U 43795 is an antitumor agent effective against leukemia L1210.

Price and Availability

Size Price Shipping out time Quantity
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Pricing updated 2020-09-28. Prices are subject to change without notice.

U 43795 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 585312
Name: U 43795
CAS#: 54549-02-9
Chemical Formula: C5H7ClN2O4
Exact Mass: 194.0094
Molecular Weight: 194.571
Elemental Analysis: C, 30.87; H, 3.63; Cl, 18.22; N, 14.40; O, 32.89

Synonym: U 43795; U43795; U-43795; U 43,795 U-43,795; U43,795

IUPAC/Chemical Name: (2S)-2-amino-2-[(4S,5R)-3-chloro-4-hydroxy-4,5-dihydro-1,2-oxazol-5-yl]acetic acid


InChi Code: InChI=1S/C5H7ClN2O4/c6-4-2(9)3(12-8-4)1(7)5(10)11/h1-3,9H,7H2,(H,10,11)/t1-,2-,3+/m0/s1

SMILES Code: O=C(O)[C@@H](N)[C@@H]1[C@H](O)C(Cl)=NO1

Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Martin DG, Hanka LJ, Neil GL. A new antitumor agent, (alphas, 4s, 5r)-alpha-amino-3-chloro-4-hydroxy-4,5-dihydro-5-isoxazoleacetic acid (NSC-176324): preliminary evaluation against L 1210 mouse leukemia in vivo. Cancer Chemother Rep. 1974 Nov-Dec;58(6):935-7. PubMed PMID: 4217217.