Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: DL-Leucine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: CAS328-39-2 DL-2-Amino-4-methylpentanoic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

328-39-2

328-39-2 structure

328-39-2 structure

Name: 2-Amino-4-methylpentanoic acid
Chemical Name: leucine
CAS Number: 328-39-2
Molecular Formula: C₆H₁₃NO₂
Molecular Weight: 131.173
Catalog: Biochemical Common amino acids and protein drugs
Create Date: 2018-05-14 08:00:00
Modify Date: 2026-07-02 12:04:14

Name	leucine
Synonyms	DL-2-Aminmo-4-methylvalerianic acid (RS)-Leucine DL-LEUCINE FOR BIOCHEMISTRY α-Amino-γ-methylvaleric acid (±)-Leucine (DL-Leucine) leucine,dl Leucine, DL- (8CI) DL-LEUCINE G Leucine, DL DL-2-Amino-4-methylpentanoicacid DL-LEUCINE, VETEC DL-LEUCINE DL-2-AMINO-4-METHYLVALERIANIC ACID EINECS 206-328-2 DL-Leucine 0.1 (.+-.)-Leucine (R,S)-2-Amino-4-methyl-pentanoicacid Amino-4-methylvaleric acid DL-α-Aminoisocaproic acid ucine, dl DL-Leucine Vetec(TM) ade DL-2-AMINO-4-METHYLPENTANOIC ACID DL-2-AMINO-4-METHYLVALERIC ACID H-DL-LEU-OH DL-Leucine (Assay) (n)-2-amino-4-methylpentanoic acid ucine,dl DL-LEUCINE BIOSYNTH α-Aminoisocaproic acid (+/-)-2-Amino-4-methylpentanoic acid~H-DL-Leu-OH dextro,laevo-leucine DL-Leucin rac-(2R)-4-Methyl-2-aminovaleric acid DL-A-AMINO-G-METHYLVALERIC ACID rac-(R)-2-Amino-4-methylpentanoic acid Leucine Glycerol Impurity DL-Leucine, Crystal Leucine,DL 2-Amino-4-methylvalericacid DL-Leucine //BP DL-Leu-OH 2-Amino-4-methylvaleric acid C14629300 DL-Leucine (2R)-2-ammonio-4-methylpentanoate DL-Leucine> (+/-)-AMINO-4-METHYLPENTANOIC ACID DL -Leucine MFCD00063087 DL-A-AMINOISOCAPROIC ACID (±)-Leucine DL-Leucine, R DL-Leucine for bio ACETYL-DL-LEUCINE, N-(P) Leucine (9CI) A-AMINO-ISO-CAPROIC ACID (±)-2-Amino-4-methylpentanoic acid QVYZ1Y1&1 &&DL or (RS)- Form DL-2-Amino-4-methyl pentanoicacid DL-2-Amino-4-methylpentanoic acid DL-LEU ALPHA-AMINO-ISO-CAPROIC ACID Leucin-Radikal

Density	1.0±0.1 g/cm3
Boiling Point	225.8±23.0 °C at 760 mmHg
Melting Point	293-296ºC
Molecular Formula	C₆H₁₃NO₂
Molecular Weight	131.173
Flash Point	90.3±22.6 °C
Exact Mass	131.094635
PSA	63.32000
LogP	0.73
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.463
Storage condition	Store at RT.
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	soluble

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn
Safety Phrases	S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	29224995

Precursor 9
816-66-0 13139-15-6 121-44-8 873963-42-9
151962-48-0 61-90-5 328-38-1 7801-71-0
37944-29-9
DownStream 10
110207-44-8 4399-40-0 14379-44-3 503-74-2
7664-41-7 61-90-5 328-38-1 28659-87-2
30057-77-3 99-15-0

HS Code	2922499990
Summary	HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

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