| Record Information | 
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| Version | 1.0 | 
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| Update Date | 1/22/2018 12:54:54 PM | 
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| Metabolite ID | PAMDB120267 | 
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| Identification | 
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| Name: | N-α-acetyl-L-methionine | 
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| Description: | An L-α-amino acid anion that is the conjugate base of N-acetyl-L-methionine, obtained by deprotonation of the carboxy group. | 
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| Structure |  | 
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| Synonyms: | acetyl-L-methioninateacetylmethioninateAcMet(1−)N-Ac-Met(1−)N-acetyl-L-methioninateN-acetylmethioninateNα-acetyl-L-methioninateNα-acetyl-L-methionineNα-acetyl-L-methionine(1−)
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| Chemical Formula: | C7H12NO3S | 
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| Average Molecular Weight: | 190.237 | 
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| Monoisotopic Molecular 
		Weight: | 191.06161 | 
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| InChI Key: | XUYPXLNMDZIRQH-LURJTMIESA-M | 
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| InChI: | InChI=1S/C7H13NO3S/c1-5(9)8-6(7(10)11)3-4-12-2/h6H,3-4H2,1-2H3,(H,8,9)(H,10,11)/p-1/t6-/m0/s1 | 
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| CAS 
	number: | 65-82-7 | 
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| IUPAC Name: | (2S)-2-acetamido-4-(methylsulfanyl)butanoate | 
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| Traditional IUPAC Name: | acetyl-DL-methionine | 
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| SMILES: | CC(=O)NC(CCSC)C([O-])=O | 
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| Chemical Taxonomy | 
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| Taxonomy Description | This compound belongs to the class of chemical entities known as methionine and derivatives. These are compounds containing methionine or a derivative thereof resulting from reaction of methionine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. | 
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| Kingdom | Chemical entities | 
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| Super Class | Organic compounds | 
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| Class | Organic acids and derivatives | 
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| Sub Class | Carboxylic acids and derivatives | 
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| Direct Parent | Methionine and derivatives | 
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| Alternative Parents |  | 
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| Substituents | Methionine or derivativesN-acyl-alpha-amino acidN-acyl-alpha amino acid or derivativesThia fatty acidFatty acidFatty acylAcetamideCarboxamide groupSecondary carboxylic acid amideDialkylthioetherSulfenyl compoundThioetherMonocarboxylic acid or derivativesCarboxylic acidOrganic oxideOrganopnictogen compoundOrganosulfur compoundOrganooxygen compoundOrganonitrogen compoundCarbonyl groupOrganic oxygen compoundHydrocarbon derivativeOrganic nitrogen compoundAliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds | 
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| External Descriptors |  | 
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| Physical Properties | 
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| State: | Solid | 
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| Charge: | -1 | 
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| Melting point: | 105.5 °C | 
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| Experimental Properties: | | Property | Value | Reference | 
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 | Melting Point | 105.5 °C | Not Available |  | Boiling Point | Not Available | Not Available |  | Water Solubility | 307mg/mL at 25 °C | Not Available |  | LogP | -0.03 | MEYLAN,WM & HOWARD,PH (1995) | 
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| Predicted Properties |  | 
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| Biological Properties | 
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| Cellular Locations: | Not Available | 
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| Reactions: |  | 
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| Pathways: |  | 
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| Spectra | 
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| Spectra: |  | 
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| References | 
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| References: | Ball RO, Courtney-Martin G, Pencharz PB: The in vivo sparing of methionine by cysteine in sulfur amino acid requirements in animal models and adult humans. J Nutr. 2006 Jun;136(6 Suppl):1682S-1693S. [16702340 ] van de Poll MC, Dejong CH, Soeters PB: Adequate range for sulfur-containing amino acids and biomarkers for their excess: lessons from enteral and parenteral nutrition. J Nutr. 2006 Jun;136(6 Suppl):1694S-1700S. [16702341 ] Garlick PJ: Toxicity of methionine in humans. J Nutr. 2006 Jun;136(6 Suppl):1722S-1725S. [16702346 ] 
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| Synthesis Reference: | Not Available | 
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| Material Safety Data Sheet (MSDS) | Download (PDF) | 
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| Links | 
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| External Links: |  | 
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