Boc-Cys(NPys)-OH

Modify Date: 2024-01-03 23:46:27

Boc-Cys(NPys)-OH Structure
Boc-Cys(NPys)-OH structure
 Common Name Boc-Cys(NPys)-OH
CAS Number 76880-29-0 Molecular Weight 375.421
Density 1.4±0.1 g/cm3 Boiling Point 553.9±50.0 °C at 760 mmHg
Molecular Formula C13H17N3O6S2 Melting Point -160ºC (dec.)
MSDS Chinese USA Flash Point 288.8±30.1 °C

 Use of Boc-Cys(NPys)-OH


Boc-Cys(Npys)-OH is a cysteine derivative[1].

 Names

Name (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[(3-nitropyridin-2-yl)disulfanyl]propanoic acid
Synonym More Synonyms

 Boc-Cys(NPys)-OH Biological Activity

Description Boc-Cys(Npys)-OH is a cysteine derivative[1].
Related Catalog
In Vitro Amino acids and amino acid derivatives have been commercially used as ergogenic supplements. They influence the secretion of anabolic hormones, supply of fuel during exercise, mental performance during stress related tasks and prevent exercise induced muscle damage. They are recognized to be beneficial as ergogenic dietary substances[1].
References

[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-807.

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 553.9±50.0 °C at 760 mmHg
Melting Point -160ºC (dec.)
Molecular Formula C13H17N3O6S2
Molecular Weight 375.421
Flash Point 288.8±30.1 °C
Exact Mass 375.055878
PSA 184.94000
LogP 4.25
Vapour Pressure 0.0±1.6 mmHg at 25°C
Index of Refraction 1.616

 MSDS

Material Safety Data Sheet
Section1. Identification of the substance
Product Name: Boc-cys(npys)-oh
Synonyms:
Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
Section3. Composition/information on ingredients.
Ingredient name:Boc-cys(npys)-oh
CAS number:76880-29-0
Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.
Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.
Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Store in closed vessels.
Storage:
Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.
Section9. Physical and chemical properties
Appearance:Not specified
Boiling point:No data
No data
Melting point:
Flash point:No data
Density:No data
Molecular formula:C13H17N3O6S2
Molecular weight:375.4
Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, sulfur oxides.
Section11. Toxicological information
No data.
Section12. Ecological information
No data.
Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.
Section14. Transportation information
Non-harzardous for air and ground transportation.
Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.

SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases 22-24/25
RIDADR NONH for all modes of transport

 Articles4

More Articles
Controlled peptide-protein conjugation by means of 3-nitro-2-pyridinesulfenyl protection-activation.

Int. J. Pept. Protein Res. 32(3) , 161-6, (1988)

The disulfide bond in S-3-nitro-2-pyridinesulfenyl (S-Npys) compounds is stable towards the acid treatment used in solid-phase peptide synthesis, yet the liability of S-Npys-peptides towards nucleophi...

Preparation of Boc-[S-(3-nitro-2-pyridinesulfenyl)]-cysteine and its use for unsymmetrical disulfide bond formation.

Int. J. Pept. Protein Res. 28(2) , 107-12, (1986)

The 3-nitro-2-pyridinesulfenyl (Npys) derivative of cysteine was prepared and used to facilitate the formation of an unsymmetrical disulfide bond. Since this derivative is stable in trifluoroacetic ac...

Effects of sulfhydryl-modifying reagents, 3-nitro-2-pyridinesulfenyl compounds, on the coupling between inhibitory receptors and GTP-binding proteins Gi/Go in rat brain membranes.

Mol. Pharmacol. 38(2) , 184-91, (1990)

To gain insight into the coupling mechanism of inhibitory receptors, 5-hydroxytryptamine1A receptors and alpha 2-adrenoceptors, with GTP-binding proteins (G proteins) in the central nervous system, we...

 Synonyms

N-{[(2-Methyl-2-propanyl)oxy]carbonyl}-3-[(3-nitro-2-pyridinyl)disulfanyl]-L-alanine
n-(tert-butoxycarbonyl)-3-[(3-nitropyridin-2-yl)disulfanyl]-l-alanine
Boc-Cys-S-(3-nitro-2-pyridinesulfenyl)
Boc-cys(npys)
N-t-butoxycarbonyl-S-(3-nitro-2-pyridylthio)-L-cysteine
t-Bcnp
Boc-cys(npys)-OH
MFCD00153301
L-Alanine, N-[(1,1-dimethylethoxy)carbonyl]-3-[(3-nitro-2-pyridinyl)dithio]-
Nalpha-Boc-S-(3-nitro-2-pyridylthio)-L-cysteine
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