N-acetyl-L-methionine

HCID 448580

Basic information

CAS
65-82-7
Standard SMILES
CSCC[C@H](NC(C)=O)C(=O)O
InChIKey
XUYPXLNMDZIRQH-LURJTMIESA-N
Molecular formula
C7H13NO3S
Average molar mass
191.25 g/mol
Monoisotopic mass
191.06161445

Names & identifiers

Preferred name
N-acetyl-L-methionine
IUPAC
(2S)-2-acetamido-4-methylsulfanylbutanoic acid
English name
N-Acetyl-L-methionine
Molecular formula
C7H13NO3S
Molecular weight
191.25

Names & synonyms

N-Acetyl-L-methionine65-82-7N-AcetylmethionineAcetyl-L-methionineMethionamineThiomedonAcetylmethionineL-(N-Acetyl)methionineL-Methionine, N-acetyl-MethioninAcMetMethionine, N-acetyl-, L-
Show more names
NAMAC-MET-OHN-ACETYL-L-METHIONINE:AC-MET-OHn-acetyl-l-methionin01310-25GN-AC-L-MET
N-Ac-MetNalpha-acetyl-L-methionine(2S)-2-acetamido-4-methylsulfanylbutanoic acid(2S)-2-acetamido-4-(methylsulfanyl)butanoic acidFOLLICUSAN9J12WX5B6ACHEBI:21557DTXSID00883214

Database identifiers

CAS
65-82-7
PubChem CID
448580
DTXSID
DTXSID00883214
ChEBI
CHEBI:21557
UNII
9J12WX5B6A
EC Number
200-617-7
Nikkaji
J4.840B

Properties

Computed structural properties

XLogP
0.1
Topological polar surface area
91.7 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
4
Rotatable bonds
5
Heavy atoms
12

Experimental & physicochemical properties

LogP-0.03
Solubility · 2 items

307000

307mg/mL at 25 °C

Melting Point · 2 items

105.5

105.5 °C

Physical DescriptionSolid
Collision Cross Section · 2 items

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

142.7 Ų [M-H]-;150.2 Ų [M+Na]+

Physicochemical properties

Melting point
103 · 103-106 °C(lit.)
alpha
-20 · -20 º (c=4 H2O)
Boiling point
235 °C · 235 °C(Press: 12 Torr)
Density
1.2684 · 1.2684 (rough estimate)
refractive index
-21 ° · -21 ° (C=1, H2O)
storage temp.
Sealed in dry,Room Temperature

Safety & regulation

GHS classification

GHS Classification · 6 items

This chemical does not meet GHS hazard criteria for 57.1% (4 of 7) of all reports.

Danger

H315 (28.6%): Causes skin irritation [Warning Skin corrosion/irritation];H318 (14.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation];H319 (28.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H335 (28.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 7 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Reported as not meeting GHS hazard criteria per 4 of 7 reports by companies.;There are 3 notifications provided by 3 of 7 reports by companies with hazard statement code(s).;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Hazard information

Regulatory Information · 2 items

Regulation (EC) No 178/2002 (amended)

L-Methionine, N-acetyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Hazard Classes and CategoriesSkin Irrit. 2 (28.6%);Eye Dam. 1 (14.3%);Eye Irrit. 2A (28.6%);STOT SE 3 (28.6%)

Toxicology

Toxicity Summary · 2 items

The panel concluded that the 115 amino acid alkyl amides listed below are safe in the present practices of use and concentration in cosmetics, when formulated to be non-irritating...Acetyl Methionine

Safe for use in cosmetics, with qualifications

Regulatory information

Regulatory Information · 2 items

Regulation (EC) No 178/2002 (amended)

L-Methionine, N-acetyl-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.

Safety data

PPE
Eyeshields, Gloves, type N95 (US)
wgk
3
tsca
TSCA listed
rtecs
PD0480000
hs_code
29309070
risk_code
36/37/38

Chemistry & industry

Pharmacology

Tissue LocationsPlacenta

Uses & manufacturing

UsesCIR ingredient: Acetyl Methionine
Use ClassificationCosmetics -> Skin conditioning
General Manufacturing InformationL-Methionine, N-acetyl-: ACTIVE

Applications

UsesN-Acetyl-L-methionine (CAS# 65-82-7) has been useful in the study of metabolic phenotypes of standard and cold-stored platelets.

Suppliers100 total

北京华美互利生物化工010-56205725 · [email protected]
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
Hangzhou Go Top Peptide Biotech0571-88211921 · [email protected]
INTATRADE GmbH+49 3493/605464 · [email protected]

Additional notes

DefinitionChEBI: An L-methionine derivative that is L-methionine in which one of the amine hydrogens is substituted by an acetyl group.

Related reactions

15 records

Compound notes

Loading…