L-Leucine

Company Name:	Emeishan Longteng Biotechnology Co., Ltd, Gold
Tel:	028-83312894 13808028560
Email:	sales@biolt.cn
Products Intro:	Product Name:61-90-5 CAS:61-90-5 Purity:98.5%

Company Name:	YangZhou Ruibo Biotech Co., Ltd. Gold
Tel:	+86 -0514-83826969 +86-0-15380367604
Email:	sales@ruibobiotech.com
Products Intro:	Product Name:L-Leucine CAS:61-90-5 Purity:99% Package:100g 1kg 5kg 10kg 25kg

Company Name:	Creasyn Finechem(Tianjin) Co., Ltd.
Tel:	86-22-83946278, 83945171,83945878
Email:	export@creasyn.com sale@creasyn.com
Products Intro:	Product Name:L-Leucine CAS:61-90-5 Purity:98% Package:10g,25g,100g,500g,1Kg,5Kg,25Kg,100Kg

Company Name:	Shanghai Boyle Chemical Co., Ltd.
Tel:	Mr Qiu:021-50182298(Demestic market) Miss Xu：021-50180596（Abroad market）
Email:	sales@boylechem.com
Products Intro:	Product Name:L-Leucine CAS:61-90-5

Company Name:	J & K SCIENTIFIC LTD.
Tel:	400-666-7788 +86-10-82848833
Email:	jkinfo@jkchemical.com;market3@jkchemical.com
Products Intro:	Product Name:L-Leucine CAS:61-90-5 Purity:99% Package:100G,25G,500G

L-Leucine Basic information

Product Name:	L-Leucine
Synonyms:	(s)-2-amino-4-methylvalericacid;1-Leucine;2-Amino-4-methylpentanoic acid;2-amino-4-methylpentanoicacid;2-amino-4-methyl-valericaci;4-methyl-l-norvalin;4-methyl-norvalin;alpha-Amino-gamma-methylvaleric acid
CAS:	61-90-5
MF:	C6H13NO2
MW:	131.17
EINECS:	200-522-0
Product Categories:	Food and Feed Additive;Amino Acid Derivatives;Leucine [Leu, L];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino
Mol File:	61-90-5.mol

L-Leucine Chemical Properties

mp	>300 °C(lit.)
alpha	15.4 º (c=4, 6N HCl)
density	1,293 g/cm³
FEMA	3297
Fp	145-148°C
storage temp.	Store at RT.
solubility	1 M HCl: 50 mg/mL
form	powder
Water Solubility	22.4 g/L (20 C)
Sublimation	145-148 ºC
Merck	14,5451
BRN	1721722
Stability:	Stability Moisture and light sensitive. Incompatible with strong oxidising agents.
CAS DataBase Reference	61-90-5(CAS DataBase Reference)
NIST Chemistry Reference	Leucine(61-90-5)
EPA Substance Registry System	L-Leucine(61-90-5)

Safety Information

MSDS Information

L-Leucine Usage And Synthesis

Chemical Properties

White crystalline powder

L-Leucine Preparation Products And Raw materials

Preparation Products	L-Phenylalanine-->N-Acetyl-L-leucine-->L(+)-Leucinol-->N-BOC-L-leucylglycyl-arginine-p-nitroanilide hydrochloride
Raw materials	Hydrochloric acid-->Sulfuric acid -->Ammonia-->Ammonium bicarbonate-->Activated carbon-->Α-PROTEIN-->1,2-Dimethylbenzene-->Casein-->(2S,3S)-2-Amino-3-methylpentanoic acid-->L-Methionine-->Naphthalene-2-sulfonic acid -->HEMOGLOBIN-->2-Bromotoluene-->Phenprobamate-->N-CARBOBENZOXY-DL-LEUCINE-->KERATIN-->granular active carbon

Tag:L-Leucine(61-90-5) Related Product Information

L-Tyrosine L-Cysteine hydrochloride anhydrous L(+)-Arginine H-GLA-OH FMOC-L-Leucine CBZ-L-LEUCINE,CBZ-LEUCINE Methyl L-leucinate hydrochloride N-Glycyl-L-leucine Ethyl L-leucinate hydrochloride L-Leucine 2-Propylpentanoic acid MAGNESIUM DIPROPYLACETATE HYDRATE Trometamol L-tert-Leucine Estradiol valerate 4-Methylvaleric acid N-Acetyl-L-leucine 6-Aminocaproic acid