Boc-Pyr-Oet

Modify Date: 2024-01-02 13:31:08

Boc-Pyr-Oet Structure
Boc-Pyr-Oet structure
 Common Name Boc-Pyr-Oet
CAS Number 144978-12-1 Molecular Weight 257.283
Density 1.2±0.1 g/cm3 Boiling Point 375.0±35.0 °C at 760 mmHg
Molecular Formula C12H19NO5 Melting Point 54 °C
MSDS N/A Flash Point 180.6±25.9 °C

 Names

Name N-Boc-L-pyroglutamic Acid Ethyl Ester
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 375.0±35.0 °C at 760 mmHg
Melting Point 54 °C
Molecular Formula C12H19NO5
Molecular Weight 257.283
Flash Point 180.6±25.9 °C
Exact Mass 257.126312
PSA 72.91000
LogP 0.09
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.487

 MSDS

Material Safety Data Sheet
Section1. Identification of the substance
Product Name: Boc-Pyr-OEt
Synonyms:(S)-Ethyl-N-boc-pyroglutamate
Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
Section3. Composition/information on ingredients.
Ingredient name:Boc-Pyr-OEt
CAS number:144978-12-1
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, refrigerated.
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:C12H19NO5
Molecular weight:257.3
Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen 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

Hazard Codes Xi
Safety Phrases 24/25-36-26
HS Code 2933790090

 Customs

HS Code 2933790090
Summary 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

 Synonyms

1,2-Pyrrolidinedicarboxylic acid, 5-oxo-, 1-(1,1-dimethylethyl) 2-ethyl ester, (2S)-
Ethyl N-Boc-L-pyroglutamate
Ethyl (S)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylate
N-Boc-L-pyroglutamic Acid Ethyl Ester
BOC-PYR-OET
Ethyl N-(tert-Butoxycarbonyl)-L-pyroglutamate
(S)-Ethyl-N-Boc-pyroglutamate
N-(tert-Butoxycarbonyl)-L-pyroglutamic Acid Ethyl Ester
Boc-L-Pyroglutamic Acid Ethyl Ester
(S)-1-Boc-5-oxopyrrolidine-2-carboxylic Acid Ethyl Ester
1-tert-butyl 2-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
(S)-1-tert-Butyl 2-ethyl 5-oxopyrrolidine-1,2-dicarboxylate
(S)-1-(tert-Butoxycarbonyl)-5-oxopyrrolidine-2-carboxylic Acid Ethyl Ester
1-O-tert-butyl 2-O-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
Ethyl (S)-1-Boc-5-oxopyrrolidine-2-carboxylate
2-Ethyl 1-(2-methyl-2-propanyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate
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CBZ-PYR-OET
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1-Boc-D-Pyroglutamic acid ethyl ester
144978-35-8
H-D-Pyr-OEt
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Boc-L-Pyroglutamic acid methyl ester
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(R)-1-tert-Butyl 2-methyl 5-oxopyrrolidine-1,2-dicarboxylate
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