N-Boc-4,4-Difluoro-L-proline methyl ester - ≥97% , CAS No.203866-17-5

CAS: 203866-17-5 Cat. No.: N138449 Molecular Weight: 265.25 EC Number: 805-080-8
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
1,2-Pyrrolidinedicarboxylic acid, 4,4-difluoro-, 1-(1,1-dimethylethyl) 2-methyl ester, (2S)- | N-BOC-4,4-DIFLUORO-L-PROLINE METHYL ESTER | 1,2-Pyrrolidinedicarboxylicacid,4,4-difluoro-,1-(1,1-dimethylethyl)2-methyl ester,(2S)- | BCP21719 | TERT-BUTYL (2S)
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
N138449-250mg
3

$10.90

$16.90
Save $6.00 (35.50%)
1g
N138449-1g
5

$16.90

$25.90
Save $9.00 (34.75%)
5g
N138449-5g
3

$43.90

$65.90
Save $22.00 (33.38%)
10g
N138449-10g
2

$73.90

$110.90
Save $37.00 (33.36%)
25g
N138449-25g
2

$174.90

$262.90
Save $88.00 (33.47%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1, 2-Pyrrolidinedicarboxylic acid, 4, 4-difluoro-, 1-(1, 1-dimethylethyl) 2-methyl ester, (2S)- | N-BOC-4, 4-DIFLUORO-L-PROLINE METHYL ESTER | 1, 2-Pyrrolidinedicarboxylicacid, 4, 4-difluoro-, 1-(1, 1-dimethylethyl)2-methyl ester, (2S)- | BCP21719 | TERT-BUTYL (2S)
Specifications & Purity
≥97%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid488197199
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488197199
Canonical SmilesCC(C)(C)OC(=O)N1CC(CC1C(=O)OC)(F)F
IUPAC Name1-O-tert-butyl 2-O-methyl (2S)-4,4-difluoropyrrolidine-1,2-dicarboxylate
InChIKeyRQDZKOOUQIDZOG-ZETCQYMHSA-N
INCHI1S/C11H17F2NO4/c1-10(2,3)18-9(16)14-6-11(12,13)5-7(14)8(15)17-4/h7H,5-6H2,1-4H3/t7-/m0/s1
Isomeric SMILES CC(C)(C)OC(=O)N1CC(C[C@H]1C(=O)OC)(F)F
WGK Germany 3
Molecular Weight 265.25
Reaxy-Rn 14087888
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14087888&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentAlpha amino acid esters
Alternative Parents Proline and derivatives  Pyrrolidine carboxylic acids  Methyl esters  Carbamate esters  Monocarboxylic acids and derivatives  Azacyclic compounds  Organonitrogen compounds  Organofluorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Alkyl fluorides  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Alpha-amino acid ester - Proline or derivatives - Pyrrolidine carboxylic acid - Pyrrolidine carboxylic acid or derivatives - Pyrrolidine - Carbamic acid ester - Methyl ester - Carboxylic acid ester - Azacycle - Monocarboxylic acid or derivatives - Organoheterocyclic compound - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organooxygen compound - Organonitrogen compound - Organofluoride - Organohalogen compound - Carbonyl group - Organic nitrogen compound - Alkyl halide - Alkyl fluoride - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alpha amino acid esters. These are ester derivatives of alpha amino acids.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot NumberCertificate TypeDateItem
G2307455Certificate of AnalysisApr 07, 2025 N138449
G2307456Certificate of AnalysisApr 07, 2025 N138449
G2307457Certificate of AnalysisApr 07, 2025 N138449
G2307458Certificate of AnalysisApr 07, 2025 N138449
G2307462Certificate of AnalysisApr 07, 2025 N138449
G2307717Certificate of AnalysisApr 07, 2025 N138449
G2307719Certificate of AnalysisApr 07, 2025 N138449
G2307724Certificate of AnalysisApr 07, 2025 N138449
G2307726Certificate of AnalysisApr 07, 2025 N138449
G2307727Certificate of AnalysisApr 07, 2025 N138449
Chemical and Physical Properties
Flash Point(°F)>230 °F
Flash Point(°C)>110 °C
Melt Point(°C)41-46 °C
Molecular Weight265.250 g/mol
XLogP31.900
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count4
Exact Mass265.113 Da
Monoisotopic Mass265.113 Da
Topological Polar Surface Area55.800 Ų
Heavy Atom Count18
Formal Charge0
Complexity351.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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