Top Suppliers:I want be here
Related CAS#:
353786-36-4 3225-89-6
510760-80-2 851403-02-6
895452-55-8 399000-27-2
14965-41-4 911419-33-5
1396850-14-8 496913-39-4

157-03-9

157-03-9 structure
157-03-9 structure
  • Name: L-DON
  • Chemical Name: 6-Diazo-5-oxo-L-norleucine
  • CAS Number: 157-03-9
  • Molecular Formula: C6H9N3O3
  • Molecular Weight: 171.15400
  • Catalog: Biochemical Amino acids and their derivatives Leucine derivative
  • Create Date: 2018-12-17 18:13:45
  • Modify Date: 2026-07-07 12:59:01
  • L-6-Diazo-5-oxonorleucine (L-6-Diazo-5-oxonorleucine) is a glutaminases antagonist with a Ki of 6 μM. L-6-Diazo-5-oxonorleucine exhibits analgesic, antibacterial, antiviral and anticancer properties. L-6-Diazo-5-oxonorleucine displays genetic toxicity in vitro. L-6-Diazo-5-oxonorleucine decreases the self-renewal potential and metastatic ability of tumor cell[1][2][3][4].
Name 6-Diazo-5-oxo-L-norleucine
Synonyms (S)-2-Amino-6-diazo-5-oxocaproic acid,DON
H-6-DIAZO-5-OXO-NLE-OH
NSC-7365
6-Diazo-5-oxo-l-norleucine(L-DON,DON)
(S)-2-AMINO-6-DIAZO-5-OXOCAPROIC ACID
6-Diazo-5-oxo-L-norleucine crystalline
6-Diazo-5-oxo-L-norleucine (TBAH, Titration)
(S)-2-Amino-6-diazo-5-oxocaproic acid, (S)-6-Diazo-5-oxo-L-norleucine
H-L-Don-OH
6-Diazo-5-oxo- L -norleucine
L-Nle(6-Diazo-5-oxo)-OH
D2141
H-NLE(6-DIAZO-5-OXO)-OH
don(phmaceutical)
6-diazo-5-oxo,l-norleucin
5-Oxo-6-diazo-L-norleucine
Diazo-5-oxo-L-norleucine
(2S)-2-amino-6-diazo-5-oxohexanoic acid
6-DIAZO-5-OXO-NORLEUCINE
diazo-oxo-norleucine
L-Norleucine, 6-diazo-5-oxo
6-diazo-5-oxo-l-norleucin
6-Diazo-5-oxo-L-norleucine (DON)
(S)-2-Amino-6-diazo-5-oxocaproic acid, DON
6-DIAZO-5-OXO-L-NORLEUCINE
(S)-2-amino-6-diazo-5-oxohexanoic acid
MFCD00037218
6-DIAZO-5-OXO-L-NORLEUCINE //BP
L-DON, 6-Diazo-5-oxo-L-2-aMinohexanoic acid, H-Glu(diazoMethylketone)-OH
6-Diazo-5-oxo-L-norleucine ，S8620
L-6-Diazo-5-oxonorleucine
6-DIAZO-6-OXO-L-NORLEUCINE
Diazo-5-oxo-L-norleucine, 6
H-6-DIAZO-5-OXO-L-NORLEUCINE
6-DIAZO-5-OXO-L-2-AMINOHEXANOIC ACID
Description L-6-Diazo-5-oxonorleucine (L-6-Diazo-5-oxonorleucine) is a glutaminases antagonist with a Ki of 6 μM. L-6-Diazo-5-oxonorleucine exhibits analgesic, antibacterial, antiviral and anticancer properties. L-6-Diazo-5-oxonorleucine displays genetic toxicity in vitro. L-6-Diazo-5-oxonorleucine decreases the self-renewal potential and metastatic ability of tumor cell[1][2][3][4].
Related Catalog
Target

Ki: 6 μM (glutaminases)[4]

References

[1]. Kulkarni RM, et al. Evaluation of genetic toxicity of 6-diazo-5-oxo-l-norleucine (DON). Toxicol Mech Methods. 2017 Sep;27(7):518-527.

[2]. Thangavelu K, et al. Structural basis for the active site inhibition mechanism of human kidney-type glutaminase (KGA). Sci Rep. 2014 Jan 23;4:3827.

[3]. Willis RC, et al. The inhibition by 6-diazo-5-oxo-l-norleucine of glutamine catabolism of the cultured human lymphoblast. J Cell Physiol. 1977 Dec;93(3):375-82.

[4]. Sharma NS, et al. Targeting tumor-intrinsic hexosamine biosynthesis sensitizes pancreatic cancer to anti-PD1 therapy. J Clin Invest. 2019 Oct 15.
Density 1.3994 (rough estimate)
Boiling Point 301.12°C (rough estimate)
Melting Point -145ºC (dec.)
Molecular Formula C6H9N3O3
Molecular Weight 171.15400
Exact Mass 171.06400
PSA 117.78000
Appearance crystalline | light yellow
Index of Refraction 1.5800 (estimate)
Storage condition −20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RC6340000
CHEMICAL NAME :
Norleucine, 6-diazo-5-oxo, L-
CAS REGISTRY NUMBER :
157-03-9
BEILSTEIN REFERENCE NO. :
1725815
LAST UPDATED :
199706
DATA ITEMS CITED :
18
MOLECULAR FORMULA :
C6-H9-N3-O3
MOLECULAR WEIGHT :
171.18
WISWESSER LINE NOTATION :
QVYZ2V1UNN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
80 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intracerebral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>200 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
76 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
197 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
220 mg/kg
TOXIC EFFECTS :
Gastrointestinal - peritonitis Gastrointestinal - other changes Liver - fatty liver degeneration
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
76 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
5 mg/kg
SEX/DURATION :
female 15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
100 ug/kg
SEX/DURATION :
female 7-8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetal death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
300 ug/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
DOSE :
400 ug/kg
SEX/DURATION :
female 11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - cytological changes (including somatic cell genetic material)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
DOSE :
500 ug/kg
SEX/DURATION :
female 10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intramuscular
DOSE :
400 ug/kg
SEX/DURATION :
female 11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

MUTATION DATA

TYPE OF TEST :
DNA damage
TEST SYSTEM :
Microorganism - not otherwise specified
DOSE/DURATION :
30 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 360,95,1996 *** REVIEWS *** TOXICOLOGY REVIEW JAMAAP JAMA, Journal of the American Medical Association. (AMA, 535 N. Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year: 172,1765,1960 TOXICOLOGY REVIEW 32XPAD "Teratology," Berry, C.L., and D.E. Poswillo, eds., New York, Springer, 1975 Volume(issue)/page/year: -,49,1975 TOXICOLOGY REVIEW ADVPA3 Advances in Pharmacology. (New York, NY) V.1-6, 1962-68. For publisher information, see AVPCAQ. Volume(issue)/page/year: 4,263,1966 TOXICOLOGY REVIEW ARVPAX Annual Review of Pharmacology. (Palo Alto, CA) V.1-15, 1961-75. For publisher information, see ARPTDI. Volume(issue)/page/year: 5,447,1965
Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301-H311-H331
Precautionary Statements P261-P280-P301 + P310-P311
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T
Risk Phrases 23/24/25
Safety Phrases S45;S36/S37/S39
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
RTECS RC6340000
HS Code 2927000090
HS Code 2927000090
Summary 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Chemsrc provides CAS#:157-03-9 MSDS, density, melting point, boiling point, structure, formula, molecular weight, synthetic route, etc.
title: CAS No. 157-03-9 | Chemsrc address: https://m.chemsrc.com/en/baike/1192292.html

Home | MSDS/SDS Database Search | Journals | Product Classification | Biologically Active Compounds | Selling Leads | About Us | Disclaimer

Copyright © 2026 ChemSrc All Rights Reserved