S-Nitroso-N-acetylpenicillamine (SNAP) is the organosulfur compound with the formula ONSC(CH3)2CH(NHAc)CO2H. It is a green solid.[2]
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IUPAC name
S-Nitroso-N-acetylpenicillamine
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Other names
N-Acetyl-3-(nitrosothio)-DL-valine
S-Nitroso-N-acetylpenicillamine | |
Identifiers | |
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3D model (JSmol)
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Abbreviations | SNAP |
ChEBI |
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ChEMBL |
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ChemSpider |
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PubChem CID
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UNII |
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CompTox Dashboard (EPA)
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Properties | |
C7H12N2O4S | |
Molar mass | 220.25 g/mol |
Appearance | green solid |
Hazards | |
GHS labelling:[1] | |
Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P305+P351+P338 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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SNAP is an S-nitrosothiol and is used as a model for the general class of S-nitrosothiols which have received much attention in biochemistry because nitric oxide and some organic nitroso derivatives serve as signaling molecules in living systems, especially related to vasodilation.[3] SNAP is derived from the amino acid penicillamine. S-Nitrosoglutathione is a related agent.