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CAS No 58970-76-6 , Ubenimex

  • Name: Ubenimex
  • Synonyms: [S-(R*,S*)]-N-(3-Amino-2-hydroxy-1-oxo-4-phenylbuty1)-L-leucine;bestatin;Ubenimex;Bestatin;
  • CAS Registry Number:
  • Melting Point: 245 ºC
  • Density: 1.197 g/cm3/sup>
  • Refractive index: 1.557
  • Safety Statements: 22-24/25
  • EINECS: 261-529-2
  • Molecular Weight: 308.38
  • InChI: InChI=1/C16H24N2O4/c1-10(2)8-13(16(21)22)18-15(20)14(19)12(17)9-11-6-4-3-5-7-11/h3-7,10,12-14,19H,8-9,17H2,1-2H3,(H,18,20)(H,21,22)/t12-,13+,14+/m1/s1
  • Risk Statements: S24/25
  • Molecular Formula: C16H24N2O4
  • Molecular Structure:CAS No:58970-76-6 Ubenimex
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58970-76-6 FA-Phe-Gly-Gly-OH

  • FA-Phe-Gly-Gly-OH
  • Germany chemcube UG [Manufacturer]
  • Tel: +49 (22 08) 7 75 04 06
  • Fax: +49 (22 08) 7 75 02 30 /
    +49 (32 12) 1 00 74 76
  • Address: chemcube UG
    Salierweg 1
    53859 Niederkassel
    Germany ,Germany
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58970-76-6 Bestatin

  • China Chemrio International Limited [Manufacturer]
  • Tel: +86 574 2789 1268/ +86-139 5789 5864 (mobile)
  • Fax: +86 574 2789 1266
  • Address: Chemrio International Limited
    Room 611-612, Wante Business Center
    No.487 Yangmuqi Road,
    Hi-tech Park Ningbo, 315040,China ,China
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58970-76-6 ubenimex

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58970-76-6 Bestatin hydrochloride

  • Bestatin hydrochloride(Amino-2-hydroxy-4-phenylbutyryl)-L-leucine hydrochloride
  • United States INDOFINE Chemical Co., Inc. [Manufacturer]
  • Tel: (908) 359-6778
  • Fax: (908) 359-1179
  • Address: 121 Stryker Lane
    Bldg 30, Suite 1
    Hillsborough, NJ 08844 ,United States
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58970-76-6 ubenimex

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: Union City,CaliforniaUnited States
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58970-76-6 FA-Phe-Gly-Gly-OH

  • FA-Phe-Gly-Gly-OH
  • United States Chem-Impex International, Inc. [Manufacturer]
  • Tel: 630 766 2112
  • Fax: 630 766 2218
  • Address: 935 Dillon Drive Wood Dale IL 60191 USA ,United States
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58970-76-6 Ubenimex

  • UbenimexUbenimex, 98%
  • China PMIDA AGROCHEMICAL CO.,LTD [Manufacturer]
  • Tel: +86-023-67030808-8010
  • Fax: +86-023-67030809
  • Address: 17F,Venus Science Incubate Center,No.60 Xingguang Road,New North Zone401121 ChongqingCHINA Chongqing,China
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58970-76-6 Ubenimex

  • Ubenimex, 98%
  • China Shanghai Rainbow Chemistry Co., Ltd. [Manufacturer]
  • Tel: +86-21-64968086
  • Fax: +86-21-64968086
  • Address: Room 128, Building B, No. 8 Lane 1305, Huajing Road, Xuhui District, Shanghai, P.R. China 200000 Shanghai CHINA Shanghai,China
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58970-76-6 Ubenimex

  • Ubenimex
  • China Sunkingchem Pharmaceutical Co., Ltd. [Manufacturer]
  • Tel: +86-28-88007744
  • Fax: +86-28-85193812
  • Address: A-703, Gaofa Building, Jiuxing Road 6#, Hi-Tech Zone 610041, Chengdu, Sichuan, China.610041 ChengduCHINA Chengdu,China
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58970-76-6 Bestatin

  • Bestatin
  • United States RIA International [Manufacturer]
  • Tel: 19735811282
  • Fax: 19735811283
  • Address: 11 Melanie Lane #17 East Hanover 07936 NJ UNITED STATES NJ,United States
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References of Ubenimex
Title: Ubenimex
CAS Registry Number: 58970-76-6
CAS Name: N-[(2S,3R)-3-Amino-2-hydroxy-1-oxo-4-phenylbutyl]-L-leucine
Manufacturers' Codes: NK-421
Trademarks: Bestatin (Nippon Kayaku)
Molecular Formula: C16H24N2O4
Molecular Weight: 308.37
Percent Composition: C 62.32%, H 7.84%, N 9.08%, O 20.75%
Literature References: Dipeptide antitumor antibiotic produced by Streptomyces olivoreticuli with immunostimulant activity; inhibits leucine aminopeptidase and aminopeptidases B and N. Prepn from fermentation broth: H. Umezawa et al., DE 2528984; eidem, US 4052449 (1976, 1977 both to Microbiochem. Res. Found., Japan); eidem, J. Antibiot. 29, 97 (1976). Structure: H. Suda et al., ibid. 100. Synthesis of stereoisomers and structure-activity study: R. Nishizawa et al., J. Med. Chem. 20, 510 (1977). Stereocontrolled synthesis: S. Kobayashi et al., Tetrahedron Lett. 25, 5079 (1984). Crystal structure: J. S. Ricci, Jr. et al., J. Org. Chem. 47, 3063 (1982). Cell surface binding studies: H. Umezawa et al., J. Antibiot. 29, 857 (1976); W. E. Müller et al., Int. J. Immunopharmacol. 4, 393 (1982). Acute toxicity: T. Sakakibara et al., Jpn. J. Antibiot. 36, 2971 (1983). Review of pharmacology: G. Mathé, Biomed. Pharmacother. 45, 49-54 (1991); of clinical studies: K. Ota, ibid. 55-60. Clinical trial in squamous-cell lung carcinoma: Y. Ichinose et al., J. Natl. Cancer Inst. 95, 605 (2003).
Properties: Colorless needles, mp 233-236°. [a]D20 -15.5° (c = 1.0 in 1N HCl). pKa 8.1, 3.1. uv max: 241.5, 248, 253, 258, 264.5, 268 nm (E1%1cm 3.8, 4.0, 5.0, 6.0, 4.6, 2.7). Sol in acetic acid, DMSO, methanol. Less sol in water. Insol in ethyl acetate, benzene, hexane, chloroform. LD50 in male, female mice, male, female rats (g/kg): 1.3, 1.9, 1.9, 2.1 s.c.; 0.19, 0.19, 0.90, 0.78 i.p.; >4.0, >4.0, >2.0, >2.0 orally (Sakakibara).
Melting point: mp 233-236°
pKa: pKa 8.1, 3.1
Optical Rotation: [a]D20 -15.5° (c = 1.0 in 1N HCl)
Absorption maximum: uv max: 241.5, 248, 253, 258, 264.5, 268 nm (E1%1cm 3.8, 4.0, 5.0, 6.0, 4.6, 2.7)
Toxicity data: LD50 in male, female mice, male, female rats (g/kg): 1.3, 1.9, 1.9, 2.1 s.c.; 0.19, 0.19, 0.90, 0.78 i.p.; >4.0, >4.0, >2.0, >2.0 orally (Sakakibara)
Therap-Cat: Immunomodulator; antineoplastic.
Keywords: Antineoplastic; Immunomodulators; Immunomodulator.