L-Orn(Z)-OH - ≥98% , CAS No.3304-51-6

CAS: 3304-51-6 Cat. No.: O105973 Molecular Weight: 266.29 EC Number: 221-980-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
(2S)-2-amino-5-benzyloxycarbonylaminopentanoic acid | (2S)-2-amino-5-(phenylmethoxycarbonylamino)pentanoic acid | N'-Cbz-L-ornithine | H-ORN(Z)-OH | ?-Benzyloxycarbonyl-L-ornithine | Ndelta -(benzyloxycarbonyl)-L-ornithine | (2S)-2-amino-5-[(benzyloxycarb
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
O105973-5g
3

$9.90

$14.90
Save $5.00 (33.56%)
10g
O105973-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$10.90

$16.90
Save $6.00 (35.50%)
25g
O105973-25g
3

$26.90

$40.90
Save $14.00 (34.23%)
100g
O105973-100g
3

$44.90

$67.90
Save $23.00 (33.87%)
500g
O105973-500g
1

$223.90

$335.90
Save $112.00 (33.34%)
Enter a quantity for the sizes you want to add.
🧪

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.

📋

Quality documents

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

📚

Literature proof

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

Specifications

Synonyms
(2S)-2-amino-5-benzyloxycarbonylaminopentanoic acid | (2S)-2-amino-5-(phenylmethoxycarbonylamino)pentanoic acid | N'-Cbz-L-ornithine | H-ORN(Z)-OH | ?-Benzyloxycarbonyl-L-ornithine | Ndelta -(benzyloxycarbonyl)-L-ornithine | (2S)-2-amino-5-[(benzyloxycarb
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 Sid504764496
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764496
Canonical SmilesC1=CC=C(C=C1)COC(=O)NCCCC(C(=O)O)N
IUPAC Name(2S)-2-amino-5-(phenylmethoxycarbonylamino)pentanoic acid
InChIKeyVULSXQYFUHKBAN-NSHDSACASA-N
INCHI1S/C13H18N2O4/c14-11(12(16)17)7-4-8-15-13(18)19-9-10-5-2-1-3-6-10/h1-3,5-6,11H,4,7-9,14H2,(H,15,18)(H,16,17)/t11-/m0/s1
Isomeric SMILES C1=CC=C(C=C1)COC(=O)NCCC[C@@H](C(=O)O)N
WGK Germany 3
Molecular Weight 266.29
Reaxy-Rn 1137879
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1137879&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzyloxycarbonyls
Intermediate Tree Nodes Not available
Direct ParentBenzyloxycarbonyls
Alternative Parents L-alpha-amino acids  Quaternary ammonium salts  Carbamate esters  Carboxylic acid salts  Monocarboxylic acids and derivatives  Carboxylic acids  Organic zwitterions  Organic salts  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Alpha-amino acid - Alpha-amino acid or derivatives - Benzyloxycarbonyl - L-alpha-amino acid - Carbamic acid ester - Quaternary ammonium salt - Carboxylic acid salt - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Primary aliphatic amine - Organic zwitterion - Organic salt - Hydrocarbon derivative - Carbonyl group - Organic oxide - Amine - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzyloxycarbonyls. These are organic compounds containing a carbonyl group substituted with a benzyloxyl group.
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
I2215284Certificate of AnalysisJun 15, 2026 O105973
I2215409Certificate of AnalysisJun 15, 2026 O105973
I2215410Certificate of AnalysisJun 15, 2026 O105973
H1427071Certificate of AnalysisMar 20, 2026 O105973
H2521789Certificate of AnalysisAug 22, 2025 O105973
G1909062Certificate of AnalysisApr 17, 2023 O105973
L2420048Certificate of AnalysisJul 15, 2022 O105973
Chemical and Physical Properties
Melt Point(°C)248-252°C
Molecular Weight266.290 g/mol
XLogP3-1.400
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count8
Exact Mass266.127 Da
Monoisotopic Mass266.127 Da
Topological Polar Surface Area102.000 Ų
Heavy Atom Count19
Formal Charge0
Complexity290.000
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
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.