S-Nitroso-N-acetyl-DL-penicillamine
S-Nitroso-N-acetyl-DL-penicillamine (CAS: 67776-06-1; Formula: C7H12N2O4S; MW: 220.25) is a green powder supplied by TSS at a minimum purity of 97%. This compound is recognised as a nitric oxide donor, playing a role in cell signaling and stress responses. It finds application in biochemical research and studies involving cell biology and enzyme substrates, particularly those related to nitric oxide metabolism.
- IUPAC
- N-Acetyl-3-(nitrosothio)-DL-valine,S-Nitroso-N-acetylpenicillamine,SNAP
- Synonyms
- S-Nitroso-N-acetylpenicillamineN-Acetyl-3-(nitrosothio)-DL-valineSNAP

Nitric Oxide Research
Utilised as a source of nitric oxide (NO) in biochemical and cell biology studies, enabling research into NO signalling pathways and its role in cellular processes.
Enzyme Substrate Studies
Serves as a substrate or tool in the investigation of enzymes involved in nitric oxide metabolism and related cellular functions.
Cell Signaling Investigations
Employed in research examining the mechanisms of cell signaling, particularly where nitric oxide acts as a key mediator.
Biochemical Reagent
A valuable reagent for laboratories conducting research in cell biology, neuroscience, and biochemistry, contributing to a better understanding of cellular stress.
| Molecular weight | 220.25 |
|---|---|
| Empirical formula | C7H12N2O4S |
| Assay | ≥97% |
| Form | powder |
| Colour | green |
| Solubility | H2O: ≥2 mg/mLDMSO: ≥20 mg/mL, clear, light green |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality Level | PREMIUM |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is S-Nitroso-N-acetyl-DL-penicillamine used for?
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S-Nitroso-N-acetyl-DL-penicillamine is primarily used as a nitric oxide donor in biochemical research, cell signaling studies, and investigations into nitric oxide metabolism and cellular stress.
What is the CAS number and formula for S-Nitroso-N-acetyl-DL-penicillamine?
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The CAS number is 67776-06-1, and the empirical formula is C7H12N2O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a PREMIUM grade with an assay of ≥97%. We do not represent it as USP, BP, EP or other pharmacopoeial grades.
How should S-Nitroso-N-acetyl-DL-penicillamine be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for detailed handling procedures.
What are the primary hazards associated with S-Nitroso-N-acetyl-DL-penicillamine?
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This compound is classified with a Warning signal word and carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
How is S-Nitroso-N-acetyl-DL-penicillamine typically supplied and exported?
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S-Nitroso-N-acetyl-DL-penicillamine is supplied as a green powder and is exported by Tech Serve Solutions according to international shipping regulations for chemicals.
How can I request a quote or sample?
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Please contact Tech Serve Solutions directly via our website or sales department to request a quote or sample for S-Nitroso-N-acetyl-DL-penicillamine.
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