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CAS 73-32-5 L-Isoleucine

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CAS No.:

73-32-5

Grade:

Feed Grade

Content:

99%

Port:

Qingdao

Packaging:

25kg/bag

Price valid (until):

2026-09-04

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Chemfine International Co., Ltd.

Company Type:

Trader

Location:

China

Payment Terms:

D/P,L/C,D/A,TT against B/L draft before shipment

Average Lead Time:

14 days

Qualification:

Main Products:

Organic Intermediate

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Nutritional supplements. One of the essential amino acids, the minimum daily requirement is about 0.7g. It can be fortified in various foods, such as wheat flour, gluten, peanut powder, potatoes, etc. Isoleucine is a limiting amino acid and should be fortified.

ECHEMI Editorial Reference

L-Isoleucine is one of 20 proteinogenic amino acids. L-Isoleucine is an essential amino acid.

Basic Info

Product Name:

L-Isoleucine

Other Name:

L-Isoleucine;Isoleucine,L-;Isoleucine;erythro-L-Isoleucine;2-Amino-3-methylvaleric acid;(2S,3S)-α-Amino-β-methylvaleric acid;L-(+)-Isoleucine;[S-(R*,R*)]-2-Amino-3-methylpentanoic acid;(S)-Isoleucine;(2S,3S)-α-Amino-β-methyl-n-valeric acid;(2S,3S)-2-Amino-3-methylpentanoic acid;(S,S)-Isoleucine;2S,3S-Isoleucine;L-Norvaline,3-methyl-,erythro-;L-Ile;Pentanoic acid,2-amino-3-methyl-,(2S,3S)-;NSC 46708;Isoleucine,(2S,3ξ)-;7004-09-3;410078-51-2;501028-75-7;807611-99-0;959215-79-3;1050482-26-2;1131911-83-5;1186126-44-2;1431840-86-6;2012595-46-7;2110474-15-0;2230755-14-1

CAS No.:

73-32-5

Molecular Formula:

C6H13NO2

InChIKeys:

InChIKey=AGPKZVBTJJNPAG-WHFBIAKZSA-N

Molecular Weight:

131.17

Exact Mass:

131.17

BRN:

1721792

EC Number:

200-798-2

HScode:

29224995

Categories:

Characteristics

PSA:

63.3

XLogP3:

-1.7

Appearance:

White to Off-white powder

Density:

1.0±0.1 g/cm3

Melting Point:

285.5 °C (decomp)

Boiling Point:

Sublimes at 168-170 deg C

Flash Point:

168-170°C

Refractive Index:

1.463

Water Solubility:

H2O: 41.2 g/L (50 ºC);1 M HCl: 50 mg/mL

Storage Conditions:

Store at RT.

Vapor Pressure:

6.85X10-9 mm Hg at 25 deg C (est)

Toxicity:

LD50 intraperitoneal in rat: 6822mg/kg

Specific rotation:

41 º (c=4, 6N HCl)

Taste:

Bitter

PKA:

2.37(at 0 °C)

See More L-Isoleucine Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More L-Isoleucine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Organic Intermediate

Location:
Room 1001, No. 3 Building, Jiaye International City, Jinrong 3 Street

Payment Terms:
D/P,L/C,D/A,TT against B/L draft before shipment

Average lead Time:
14 days

Total Annual Revenue:
$50 million-$100 million

Total Employees:
11-50

Year of Establishment:
2003

Over 20 Years Of Excellent

Manufacturing And First-Class Quality!

ChemFine International Co., Ltd. (CFI Chemical Supply), since 2003, has sprawled its network with offices and fostered deep collaborations with factories nationwide in China. Navigating the nuanced Chinese market, our focus remains on fulfilling customer expectations and ensuring optimal cost-performance. We eagerly welcome your visits to our partner factories. With a longstanding commitment, CFI, as a holistic chemical trading firm, specializes in sourcing fine chemicals globally.

Inquiry History

8 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	L-Iso leusine	25 KG	Apr 21, 2025
India	L-Isoleucine	1 MT	Apr 23, 2025
Spain	L-Isoleucine	1 40' Fcl	Oct 17, 2023
India	L-Isoleucine	12479 KG	Jul 8, 2026
United Kingdom	ISO Lecine	50.00 MT	Sep 4, 2025
Bulgaria	L-Isoleucine feed grade	120 MT	Aug 1, 2026
Greece	ISOLEUCINE (Ile, I)	700.00 KG	Sep 25, 2025
Russia	L-Isoleucine	25 KG	Sep 24, 2024

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CAS 73-32-5 L-Isoleucine

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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