N-Carbobenzoxy-L-pyroglutamic Acid - ≥98% , CAS No.32159-21-0

CAS: 32159-21-0 Cat. No.: P111011 Molecular Weight: 263.25 EC Number: 250-936-0
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
(2S)-5-oxo-1-phenylmethoxycarbonylpyrrolidine-2-carboxylic acid | AKOS015924203 | SCHEMBL3845188 | AKOS015888232 | Z-PYR-OH | Cbz-L-pyroglutamic acid | Q-101744 | 1-Benzyl hydrogen 5-oxopyrrolidine-1,2-dicarboxylate | (S)-1-(benzyloxycarbonyl)-5-oxopyrrol
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
P111011-5g
3

$9.90

$14.90
Save $5.00 (33.56%)
25g
P111011-25g
2

$28.90

$43.90
Save $15.00 (34.17%)
100g
P111011-100g
1

$57.90

$86.90
Save $29.00 (33.37%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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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
(2S)-5-oxo-1-phenylmethoxycarbonylpyrrolidine-2-carboxylic acid | AKOS015924203 | SCHEMBL3845188 | AKOS015888232 | Z-PYR-OH | Cbz-L-pyroglutamic acid | Q-101744 | 1-Benzyl hydrogen 5-oxopyrrolidine-1, 2-dicarboxylate | (S)-1-(benzyloxycarbonyl)-5-oxopyrrol
Specifications & Purity
≥98%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid488190854
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488190854
Canonical SmilesC1CC(=O)N(C1C(=O)O)C(=O)OCC2=CC=CC=C2
IUPAC Name(2S)-5-oxo-1-phenylmethoxycarbonylpyrrolidine-2-carboxylic acid
InChIKeyVHSFUGXCSGOKJX-JTQLQIEISA-N
INCHI1S/C13H13NO5/c15-11-7-6-10(12(16)17)14(11)13(18)19-8-9-4-2-1-3-5-9/h1-5,10H,6-8H2,(H,16,17)/t10-/m0/s1
Isomeric SMILES C1CC(=O)N([C@@H]1C(=O)O)C(=O)OCC2=CC=CC=C2
WGK Germany 3
Molecular Weight 263.25
Reaxy-Rn 419902
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=419902&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 ParentProline and derivatives
Alternative Parents Benzyloxycarbonyls  Pyrrolidine carboxylic acids  Oxoprolines  Pyrrolidine-2-ones  Carbamate esters  Dicarboximides  Organic carbonic acids and derivatives  Lactams  Azacyclic compounds  Carboxylic acids  Monocarboxylic acids and derivatives  Organopnictogen compounds  Carbonyl compounds  Organic oxides  Hydrocarbon derivatives  Organonitrogen compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Proline or derivatives - Benzyloxycarbonyl - Oxoproline - Pyrrolidine carboxylic acid - Pyrrolidine carboxylic acid or derivatives - Monocyclic benzene moiety - Benzenoid - 2-pyrrolidone - Pyrrolidone - Dicarboximide - Pyrrolidine - Carbamic acid ester - Lactam - Carbonic acid derivative - Monocarboxylic acid or derivatives - Carboxylic acid - Azacycle - Organoheterocyclic compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Organopnictogen compound - Carbonyl group - Organic oxygen compound - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as proline and derivatives. These are compounds containing proline or a derivative thereof resulting from reaction of proline at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

7 results found

Lot NumberCertificate TypeDateItem
E1620094Certificate of AnalysisJan 19, 2024 P111011
H2303645Certificate of AnalysisFeb 17, 2023 P111011
H2303654Certificate of AnalysisFeb 17, 2023 P111011
H2303655Certificate of AnalysisFeb 17, 2023 P111011
H2303659Certificate of AnalysisFeb 17, 2023 P111011
H2303834Certificate of AnalysisFeb 17, 2023 P111011
H2303836Certificate of AnalysisFeb 17, 2023 P111011
Chemical and Physical Properties
SensitivityHeat Sensitive
Specific Rotation[α]-35° (C=1,MeOH)
Melt Point(°C)141 °C
Molecular Weight263.250 g/mol
XLogP31.100
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Exact Mass263.079 Da
Monoisotopic Mass263.079 Da
Topological Polar Surface Area83.900 Ų
Heavy Atom Count19
Formal Charge0
Complexity375.000
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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