Boc-L-isoleucine hemihydrate - ≥98% , CAS No.204138-23-8

CAS: 204138-23-8 Cat. No.: B357021 Molecular Weight: 240.07 (231.06anhy)
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Boc-(2S,3S)-2-amino-3-methylpentanoic acid hemihydrate
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
B357021-5g
2

$9.90

$14.90
Save $5.00 (33.56%)
25g
B357021-25g
2

$19.90

$29.90
Save $10.00 (33.44%)
100g
B357021-100g
1

$65.90

$98.90
Save $33.00 (33.37%)
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 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.

📚

Literature proof

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

Specifications

Synonyms
Boc-(2S, 3S)-2-amino-3-methylpentanoic acid hemihydrate
Specifications & Purity
≥98%
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
≥98%
Names and Identifiers
Pubchem Sid504770526
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504770526
Canonical SmilesCCC(C)C(C(=O)O)NC(=O)OC(C)(C)C.CCC(C)C(C(=O)O)NC(=O)OC(C)(C)C.O
IUPAC Name(2S,3S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid;hydrate
InChIKeyNYGJSARLXBZKTA-AQHOMMPKSA-N
INCHI1S/2C11H21NO4.H2O/c2*1-6-7(2)8(9(13)14)12-10(15)16-11(3,4)5;/h2*7-8H,6H2,1-5H3,(H,12,15)(H,13,14);1H2/t2*7-,8-;/m00./s1
Isomeric SMILES CC[C@H](C)[C@@H](C(=O)O)NC(=O)OC(C)(C)C.CC[C@H](C)[C@@H](C(=O)O)NC(=O)OC(C)(C)C.O
Molecular Weight 240.07 (231.06anhy)

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 ParentIsoleucine and derivatives
Alternative Parents Methyl-branched fatty acids  Carbamate esters  Monocarboxylic acids and derivatives  Carboxylic acids  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkNot available
Substituents Isoleucine or derivatives - Branched fatty acid - Methyl-branched fatty acid - Fatty acyl - Fatty acid - Carbamic acid ester - Monocarboxylic acid or derivatives - Carboxylic acid - Organic nitrogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Carbonyl group - Organic oxide - Organic oxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as isoleucine and derivatives. These are compounds containing isoleucine or a derivative thereof resulting from reaction of isoleucine 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.

8 results found

Lot NumberCertificate TypeDateItem
H2525124Certificate of AnalysisSep 02, 2025 B357021
H2522147Certificate of AnalysisAug 30, 2025 B357021
H2522148Certificate of AnalysisAug 30, 2025 B357021
H2522149Certificate of AnalysisAug 30, 2025 B357021
H2522155Certificate of AnalysisAug 30, 2025 B357021
C2210479Certificate of AnalysisDec 18, 2024 B357021
C2210484Certificate of AnalysisDec 18, 2024 B357021
C2210551Certificate of AnalysisDec 18, 2024 B357021
Chemical and Physical Properties
Melt Point(°C)67-70°C
Molecular Weight480.600 g/mol
XLogP3
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count9
Rotatable Bond Count12
Exact Mass480.305 Da
Monoisotopic Mass480.305 Da
Topological Polar Surface Area152.000 Ų
Heavy Atom Count33
Formal Charge0
Complexity257.000
Isotope Atom Count0
Defined Atom Stereocenter Count4
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Documents & Articles
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.