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N-Acetyl-L-methionine

N-Acetyl-L-methionine structure

CAS No:
65-82-7
Formula:
C7H13NO3S
Chemical Name:
N-Acetyl-L-methionine
Synonyms:
L-Methionine,N-acetyl-;Methionine,N-acetyl-,L-;N-Acetyl-L-methionine;Acetylmethionine;Methionamine;N-Acetylmethionine;L-(N-Acetyl)methionine;Acetyl-L-methionine;Methionin;Thiomedon;(2S)-2-Acetamido-4-methylsulfanylbutanoic acid;(2S)-2-Acetamido-4-(methylsulfanyl)butanoic acid;(S)-2-Acetamido-4-(methylthio)butanoic acid;98672-82-3;10402-93-4
Categories:
Cosmetic Ingredient > Skin Conditioning

Description

N-Acetyl-L-methionine, a human metabolite, is nutritionally and metabolically equivalent to L-methionine. L-methionine is an indispensable amino acid required for normal growth and development[1].

Solid

N-acetyl-L-methionine is an L-methionine derivative that is L-methionine in which one of the amine hydrogens is substituted by an acetyl group. It has a role as a nutraceutical. It is a N-acetyl-L-amino acid, a L-methionine derivative and a N-acetylmethionine. It is a conjugate acid of a N-acetyl-L-methionine(1-). It is an enantiomer of a N-acetyl-D-methionine.

N-Acetyl-L-methionine Basic Attributes

Molecular Weight：

191.25

Exact Mass：

191.25

BRN：

1725552

EC Number：

200-617-7

HScode：

29309070

Characteristics

PSA：

91.7

XLogP3：

0.1

Appearance：

Solid

Density：

1.2±0.1 g/cm3

Melting Point：

105.5 °C

Boiling Point：

235 °C @ Press: 12 Torr

Flash Point：

178.3±30.7 °C

Refractive Index：

1.532

Water Solubility：

methanol: soluble 100mg/mL, clear, colorless

Storage Conditions：

0-6°C

Toxicity：

Intravenous-Mouse LD50: 435 mg/kg

Flammability characteristics：

Flammable; decomposes by heating to release toxic nitrogen oxides and sulfur oxide fumes

Specific rotation：

-20 º (c=4 H2O)

Collision Cross Section：

150.1 Å² [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|142.6 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|142.7 Å² [M-H]-

Safety Information

Hazard category：

IRRITANT

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

24/25-36-26

RTECS Number：

PD0480000

Marks：

Storage features：

Warehouse ventilated, low temperature and dry

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

H315

GHS Classification：

|Danger|H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 6 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Toxicity

Toxicity class：

practically nontoxic

Drug Information

MeSH Entry Terms：

Hepsan

N-Acetyl-L-methionine Use and Manufacturing

Methods of Manufacturing

It is formed by acetylation of L-methionine with excess acetic acid or acetic anhydride.

Uses

Nutritional supplements.

Manufacturing Info：

L-Methionine, N-acetyl-: ACTIVE

Use Classification：

Cosmetics -> Skin conditioning

Computed Properties

Molecular Weight:191.25
XLogP3:0.1
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:5
Exact Mass:191.06161445
Monoisotopic Mass:191.06161445
Topological Polar Surface Area:91.7
Heavy Atom Count:12
Complexity:172
Defined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Methyl acetate

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Guide of N-Acetyl-L-methionine

Description
Basic Attributes
Characteristics
Safety Information
Toxicity
Drug Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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N-Acetyl-L-methionine

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