DL-Isoleucine

Uses Description References

Product Name: DL-Isoleucine
CAS No.: 443-79-8
Chemical Name: DL-Isoleucine
Synonyms: DL-Ile-OH;FEMA 3295;H-DL-lle-OH;H-DL-ILE-OH;DL-Isoleucin;DL-ISOLEVCINE;DL-ISOLEUCINE;Isoleucine, DL-;DL-Isoleucine,99%;DL-Isoleucine
CBNumber: CB1452310
Molecular Formula: C6H13NO2
Formula Weight: 131.17
MOL File: 443-79-8.mol

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DL-Isoleucine Property

Melting point:: 290 °C (dec.) (lit.)
alpha: [α]D20 -2.0～+2.0°(c=4,HCl)
Boiling point:: 225.8±23.0 °C(Predicted)
Density: 1.2930 (estimate)
refractive index: 1.4630 (estimate)
FEMA: 3295 | D,L-ISOLEUCINE
storage temp.: Keep in dark place,Inert atmosphere,Room temperature
pka: pKa: 9.758(25°C)
form: Powder
color: White
Odor: at 100.00 %. odorless
Odor Type: odorless
biological source: synthetic
Water Solubility: 22.3 g/L (25 ºC)
Merck: 14,5179
JECFA Number: 1422
BRN: 1721796
Stability:: Stable. Incompatible with strong oxidizing agents.
InChIKey: AGPKZVBTJJNPAG-UHFFFAOYSA-N
LogP: 0.73
CAS DataBase Reference: 443-79-8(CAS DataBase Reference)
NIST Chemistry Reference: DL-Isoleucine(443-79-8)
EPA Substance Registry System: Isoleucine (443-79-8)

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Safety

Hazard Codes: Xn
Risk Statements: 20/21/22-40
Safety Statements: 22-24/25-36
WGK Germany: 3
TSCA: Yes
HS Code: 29224995

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 298689
Product name: DL-Isoleucine
Purity: ReagentPlus , 99%
Packaging: 10g
Price: $66.7
Updated: 2025/07/31

Sigma-Aldrich

Product number: 298689
Product name: DL-Isoleucine
Purity: ReagentPlus , 99%
Packaging: 50g
Price: $167
Updated: 2025/07/31

TCI Chemical

Product number: I0180
Product name: 2-Amino-3-methylpentanoic Acid (mixture of stereoisomers)
Packaging: 5G
Price: $39
Updated: 2025/07/31

TCI Chemical

Product number: I0180
Product name: 2-Amino-3-methylpentanoic Acid (mixture of stereoisomers)
Packaging: 25G
Price: $134
Updated: 2025/07/31

TCI Chemical

Product number: I0180
Product name: DL-Isoleucine (mixture of 4 stereoisomers)
Purity: >98.0%(T)
Packaging: 5g
Price: $37
Updated: 2024/03/01

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DL-Isoleucine Chemical Properties,Usage,Production

Uses

DL-Isoleucine is used in biochemical reagents and as a nutrient fortifier, etc.

Description

DL-Isoleucine appears as a white crystalline powder. It has a caramel, maple syrup odor and slightly bitter taste. It is used as a flavor ingredient in baked goods, breakfast cereals, condiments, meat products, milk products, nonalcoholic beverages, and soups.

References

[1] George A. Burdock, Fenaroli’s Handbook of Flavor Ingredients, Sixth Edition, 2016

Description

dl-Isoleucine is flavorless. It may be prepared from the corresponding aldehyde by Bucherer’s reaction.

Chemical Properties

dl-Isoleucine has a caramel, maple syrup odor and slightly bitter taste

Chemical Properties

white powder

Definition

ChEBI: A branched chain amino acid that consists of 3-methylpentanoic acid bearing an amino substituent at position 2.

Preparation

From the corresponding aldehyde by Bucherer’s reaction.

reaction suitability

reaction type: solution phase peptide synthesis

DL-Isoleucine Preparation Products And Raw materials

Raw materials

Hippuric acid 2-Bromo-3-methylvalericacid Acetic anhydride 2-Butanone Hydriodic acid DL-ALLO-ISOLEUCINE Phosphorus

Preparation Products

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DL-Isoleucine Suppliers

Americas 1 Belgium 1 China 285 Europe 3 France 1 Germany 7 India 17 Japan 5 Poland 1 South Korea 1 Switzerland 3 Turkey 1 Ukraine 1 United Kingdom 10 United States 54 USA 1 Global 392

Shanghai Boyle Chemical Co., Ltd.

Tel: 021-50182298 021-50180596
Fax: +86-21-57758967
Email: sales@boylechem.com
Country: China
ProdList: 2208
Advantage: 55

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006356688 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

3B Pharmachem (Wuhan) International Co.,Ltd.

Tel: 821-50328103-801 18930552037
Fax: 86-21-50328109
Email: 3bsc@sina.com
Country: China
ProdList: 15838
Advantage: 69

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30123
Advantage: 84

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44801
Advantage: 61

Capot Chemical Co., Ltd

Tel: +86 (0) 571 85 58 67 18
Fax: 0086-571-85864795
Country: China
ProdList: 18207
Advantage: 66

JinYan Chemicals(ShangHai) Co.,Ltd.

Tel: 13817811078
Fax: 86-021-50426522,50426273
Email: sales@jingyan-chemical.com
Country: China
ProdList: 9976
Advantage: 60

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42934
Advantage: 64

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View Lastest Price from DL-Isoleucine manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: DL-Isoleucine 443-79-8
Price: US $0.00/Kg/Drum
Min. Order: 1KG
Purity: 98%min;food grade
Supply Ability: 500kgs
Release date: 2021-07-06

Hebei Chuanghai Biotechnology Co., Ltd

Product: DL-Isoleucine 443-79-8
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-15

Henan Aochuang Chemical Co.,Ltd.

Product: DL-Isoleucine 443-79-8
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 1Ton
Release date: 2022-09-20

443-79-8, DL-IsoleucineRelated Search:

4-HYDROXYISOLEUCINE ALTRENOGEST DL-3-Methylvaleric acid D-Alloisoleucine 6-Aminocaproic acid N-CARBOBENZOXY-DL-LEUCINE N,N-Dimethyl-1,4-phenylenediamine 3-Aminopyridine Glycine (2R,3R)-2-Amino-3-methylpentanoic acid L-Isoleucine Estradiol valerate Malic acid DL-Glutamic acid DL-HOMOCYSTEIC ACID DL-Homocystine Tris(hydroxymethyl)aminomethane Fmoc-Ile-OH

DL-Ile-OH

(2RS,3RS)-2-Amino-3-methylpentanoic acid

DL-IsoleucineFCC, ≥ 99% (Assay)

DL-ISOLEUCINE 98.5+% FCC

DL-ISOLEUCINE MIXTURE OF THE 4 STEREO- &

IODOTUBERCIDIN FROM RAT OR GUINEA PI

DL-ISOLEUCINE, GRADE I

H-Dl-Ile-Oh(Synthesis)

Dl-IsoleucineForBiochemistry99+%

(n)-2-amino-3-methylpentanoic acid

DL-ISOLEVCINE

DL-Isoleucine (mixture of 4 stereoisomers)

DL-2-Amino-3-methylvaleric acid

rac-(2R*,3R*)-2-Amino-3-methylpentanoic acid

DL-Isoleucine,99%

DL-Isoleucine,DL-2-Amino-3-methylpentanoic acid

(Mixture of 4 stereoisoMers)

DL-Isoleucine&nbsp

H-DL-lle-OH

DL-Isoleucine ReagentPlus(R), 99%

DL-Isoleucine Vetec(TM) reagent grade, 98%

rel-(2S,3S)-2-amino-3-methyl-pentanoic acid

(R*,R*)-2-amino-3-methyl-pentanoicacid

2-Animo-3-methylpentanoicacid

DL-Isoleucin

Isoleucine, DL-

H-DL-ILE-OH

FEMA 3295

DL-ISOLEUCINE

DL-A-AMINO-B-METHYLVALERIC ACID

DL-2-AMINO-3-METHYLPENTANOIC ACID

2-AMINO-3-METHYLPENTANOIC ACID

(+/-)-2-Amino-3-methylpentanoic acid~H-DL-Ile-OH

dl-isoleucine mixt. of 50% dl-isoleucine +50% dl-alloisoleuc

DL-ISOLEUCINE CELL CULTURE TESTED

DL-ISOLEUCINE MIXT. OF 50% DL-ISOLEUCIN&

DL-Isoleucine(mixtureof4stereoisomers)&gt

2-amino-3-methylpentanoicaci

DL-Isoleucine (mixture of diastereoisomers)

DL-Isoleucine USP/EP/BP

dextro,laevo-isoleucine

DL-Isoleucine 443-79-8

Furagin Impurity 2

<sc>DL</sc>-Isoleucine

443-79-8

333-79-8

CARBOXYLIC ACID

Amino Acid Derivatives

Specialty Synthesis

Peptide Synthesis

Isoleucine [Ile, I]

alpha-Amino Acids

Amino Acids

Biochemistry

Amino Acids

API