Shanghai Nianxing Industrial Co., Ltd
China
Product Name: H-ALFA-ME-DL-LEU-OH
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: DL-ALPHA-METHYLLEUCINE
Price: ￥Inquiry/10g ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

144-24-1

144-24-1 structure

144-24-1 structure

Name: DL-ALPHA-METHYLLEUCINE
Chemical Name: DL-α-METHYLLEUCINE
CAS Number: 144-24-1
Molecular Formula: C₇H₁₅NO₂
Molecular Weight: 145.19900
Catalog: Biochemical Amino acids and their derivatives Leucine derivative
Create Date: 2018-06-11 19:44:23
Modify Date: 2025-08-20 13:25:40

Name	DL-α-METHYLLEUCINE
Synonyms	DL-alpha-Methylleucine EINECS 205-621-2

Density	1.016g/cm3
Boiling Point	236ºC at 760 mmHg
Melting Point	300ºC
Molecular Formula	C₇H₁₅NO₂
Molecular Weight	145.19900
Flash Point	96.5ºC
Exact Mass	145.11000
PSA	63.32000
LogP	1.53480
Vapour Pressure	0.0167mmHg at 25°C
Index of Refraction	1.465
Storage condition	Store at RT.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RD2400000

CHEMICAL NAME :: Norvaline, 2,4-dimethyl-, DL-

CAS REGISTRY NUMBER :: 144-24-1

LAST UPDATED :: 199012

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H15-N-O2

MOLECULAR WEIGHT :: 145.23

WISWESSER LINE NOTATION :: QVXZ1&1Y1&1 -DL

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

Hazard Codes	Xi
Risk Phrases	R36/37/38
Safety Phrases	S26-S37-S39
RTECS	RD2400000
HS Code	2922499990

27886-67-5 structure

27886-67-5

~%

144-24-1 structure

144-24-1

Literature: Journal of Organic Chemistry, , vol. 22, p. 799,801

60307-38-2 structure

60307-38-2

~%

144-24-1 structure

144-24-1

Literature: Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, , vol. 18, p. 273 - 274

71680-52-9 structure

71680-52-9

108-10-1 structure

108-10-1

~%

144-24-1 structure

144-24-1

Literature: Chemische Berichte, , vol. 39, p. 1192

Precursor 4
27886-67-5 60307-38-2 71680-52-9 108-10-1
DownStream 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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