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N-Acetyl-L-leucine

Also known as: Acetyl-L-leucine, Ac-Leu-OH, AC-LEUCINE, ACETYL-L-LEUCINE, (2S)-2-acetamido-4-methylpentanoic acid, (S)-2-Acetamido-4-methylpentanoic acid, (S)-N-Acetylleucine, L-Leucine, N-acetyl-

N-Acetyl-L-leucine (CAS 1188-21-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H15NO3 and a molecular weight of 173.210 g/mol. Key properties include a melting point of 187-190 °C(lit.), a boiling point of 369.6±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 177.4±23.2 °C. It is listed by 1 supplier, from 0.56 to 520.00 CNY. Record last updated Aug 21, 2026.

CAS No.
1188-21-2
Jingsj CID
J-1001577-1
Molecular Formula
C8H15NO3
Molecular Weight
173.210 g/mol
Category
Organic Acids
Last updated
8/21/2026
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to OrderPlatform-operated
99%
500g
¥280.00
$0.08 /gBest
¥0.56/g CNY
CN China
MOQ 500g
Made to OrderPlatform-operated
99%
100g
¥195.00
$0.29 /g
¥1.95/g CNY
CN China
MOQ 100g
Made to OrderPlatform-operated
99%
1kg
¥520.00
$77.81 /kg
¥520.00/kg CNY
CN China
MOQ 1kg

Physicochemical Properties

Melting Point187-190 °C(lit.)
Boiling Point369.6±25.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point177.4±23.2 °C
Exact Mass173.105194
PSA66.40000
LogP0.34
Vapor Pressure0.0±1.8 mmHg at 25°C
Refractive Index1.458
Additional Property0.81 g/100 mL (20 ºC)

Customs & Trade Information

HS Code2924199090
Summary2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of N-Acetyl-L-leucine?

The CAS number of N-Acetyl-L-leucine is 1188-21-2.

What are the molecular formula and molecular weight of N-Acetyl-L-leucine?

N-Acetyl-L-leucine has molecular formula C8H15NO3 and molecular weight 173.210 g/mol.

Which suppliers offer N-Acetyl-L-leucine?

1 supplier(s) listed; reference unit price ¥0.56–520.00 /g.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "N-Acetyl-L-leucine (CAS 1188-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001577-1 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.