L-Cystine bis(t-butyl ester) DiHCl - ≥96% , CAS No.38261-78-8

CAS: 38261-78-8 Cat. No.: L184173 Molecular Weight: 425.4 EC Number: 804-921-6 PubChem CID: 56777151
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
S-38261-78-8 | tert-butyl (2R)-2-amino-3-{[(2R)-2-amino-3-(tert-butoxy)-3-oxopropyl]disulfanyl}propanoate dihydrochloride | Di-tert-butyl L-cystinate--hydrogen chloride (1/2) | PD196466 | 22HCL | MFCD00237452 | Tert-butyl (2r)-2-amino-3-[[(2r)-2-amino-3-[
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
250mg
L184173-250mg
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$9.90
1g
L184173-1g
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$10.90
5g
L184173-5g
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$11.90
10g
L184173-10g
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$18.90

$28.90
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25g
L184173-25g
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$37.90

$56.90
Save $19.00 (33.39%)
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal 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
S-38261-78-8 | tert-butyl (2R)-2-amino-3-{[(2R)-2-amino-3-(tert-butoxy)-3-oxopropyl]disulfanyl}propanoate dihydrochloride | Di-tert-butyl L-cystinate--hydrogen chloride (1/2) | PD196466 | 22HCL | MFCD00237452 | Tert-butyl (2r)-2-amino-3-[[(2r)-2-amino-3-[
Specifications & Purity
≥96%
Storage
Room temperature
Shipped In
Normal
Purity
≥96%
Names and Identifiers
Canonical SmilesCC(C)(C)OC(=O)C(CSSCC(C(=O)OC(C)(C)C)N)N.Cl.Cl
IUPAC Nametert-butyl (2R)-2-amino-3-[[(2R)-2-amino-3-[(2-methylpropan-2-yl)oxy]-3-oxopropyl]disulfanyl]propanoate;dihydrochloride
InChIKeyQEFUTIQOPVMOJQ-BZDVOYDHSA-N
INCHI1S/C14H28N2O4S2.2ClH/c1-13(2,3)19-11(17)9(15)7-21-22-8-10(16)12(18)20-14(4,5)6;;/h9-10H,7-8,15-16H2,1-6H3;2*1H/t9-,10-;;/m0../s1
Isomeric SMILES CC(C)(C)OC(=O)[C@H](CSSC[C@@H](C(=O)OC(C)(C)C)N)N.Cl.Cl
PubChem CID 56777151
Molecular Weight 425.4

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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 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 Cysteine and derivatives  Dicarboxylic acids and derivatives  Dialkyldisulfides  Carboxylic acid esters  Sulfenyl compounds  Organic oxides  Monoalkylamines  Hydrochlorides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alpha-amino acid ester - Cysteine or derivatives - Dicarboxylic acid or derivatives - Carboxylic acid ester - Organic disulfide - Dialkyldisulfide - Sulfenyl compound - Organic nitrogen compound - Hydrochloride - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Primary aliphatic amine - Organic oxide - Organic oxygen compound - Carbonyl group - Amine - Aliphatic acyclic 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





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Molecular Weight425.400 g/mol
XLogP3
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count8
Rotatable Bond Count11
Exact Mass424.102 Da
Monoisotopic Mass424.102 Da
Topological Polar Surface Area155.000 Ų
Heavy Atom Count24
Formal Charge0
Complexity342.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Solution Calculators
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