BEC HCl - ≥98% , CAS No.222638-67-7

CAS: 222638-67-7 Cat. No.: B413875 Molecular Weight: 229.49 EC Number: 110-433-8 PubChem CID: 91826515
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
BCP25043 | BEC HCl | (2R)-2-amino-3-(2-boronoethylsulfanyl)propanoic acid hydrochloride | BEC hydrochloride | A900880 | XIA63867 | AC-29891 | AKOS030632996 | (2R)-2-amino-3-(2-boronoethylsulfanyl)propanoic acid;hydrochloride | S-(2-Boronoethyl)-l-cysteine
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
B413875-5mg
3
$103.90
25mg
B413875-25mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$474.90
100mg
B413875-100mg
2
$1,220.90
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,Argon charged 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.

Overview

Information

BEC HCl BEC HCl is a slow-binding, and competitive arginase inhibitor with K i of 0.31 μM (pH7.5) and 0.4-0.6 μM for Arginase II and rat Arginase I, respectively.


Targets

Arginase II ; rat Arginase I 0.31 μM(Ki); <0.6 μM(Ki)


In vitro

BEC causes significant enhancement of NO-dependent smooth muscle relaxation. In myocytes, BEC augments Ca(2+)-dependent NOS activity and NO production, and increases basal contractility. BEC also inhibits the proliferation of human pulmonary artery smooth muscle cells by decreasing the expression levels of cyclin D1 and CDK4, increasing the expression of p27, and partly reducing the phosphorylation of Akt and ERK.


In vivo

In mice with allergic inflammation (OVA/OVA), BEC enhances peribronchiolar and perivascular inflammation, leads to enhanced NF-κB DNA binding and NF-κB-dependent inflammatory gene expression, and causes an increase in the content of NOx. In rats with pulmonary arterial hypertension, BEC reduces the right ventricle systolic pressure.

Specifications

Synonyms
BCP25043 | BEC HCl | (2R)-2-amino-3-(2-boronoethylsulfanyl)propanoic acid hydrochloride | BEC hydrochloride | A900880 | XIA63867 | AC-29891 | AKOS030632996 | (2R)-2-amino-3-(2-boronoethylsulfanyl)propanoic acid;hydrochloride | S-(2-Boronoethyl)-l-cysteine
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
BEC HCl is a slow-binding, and competitive arginase inhibitor with Ki of 0.31 μM (pH7.5) and 0.4-0.6 μM for Arginase II and rat Arginase I, respectively.
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
INHIBITOR
Purity
≥98%
Product Properties
ALogP-2.415
Rotatable Bond6
Names and Identifiers
Pubchem Sid504772680
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504772680
Canonical SmilesB(CCSCC(C(=O)O)N)(O)O.Cl
IUPAC Name(2R)-2-amino-3-(2-boronoethylsulfanyl)propanoic acid;hydrochloride
InChIKeyGHPYJLCQYMAXGG-WCCKRBBISA-N
INCHI1S/C5H12BNO4S.ClH/c7-4(5(8)9)3-12-2-1-6(10)11;/h4,10-11H,1-3,7H2,(H,8,9);1H/t4-;/m0./s1
Isomeric SMILES B(CCSC[C@@H](C(=O)O)N)(O)O.Cl
PubChem CID 91826515
Molecular Weight 229.49

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 - Cysteine and derivatives
Direct ParentL-cysteine-S-conjugates
Alternative Parents L-alpha-amino acids  Boronic acids  Amino acids  Sulfenyl compounds  Organic metalloid salts  Monocarboxylic acids and derivatives  Dialkylthioethers  Carboxylic acids  Organic oxides  Monoalkylboranes  Monoalkylamines  Hydrochlorides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents L-cysteine-s-conjugate - Alpha-amino acid - L-alpha-amino acid - Boronic acid derivative - Boronic acid - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Thioether - Sulfenyl compound - Dialkylthioether - Organic metalloid salt - Organic oxygen compound - Amine - Primary amine - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic metalloid moeity - Organic nitrogen compound - Primary aliphatic amine - Monoalkylborane - Hydrochloride - Carbonyl group - Alkylborane - Hydrocarbon derivative - Organic oxide - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as l-cysteine-s-conjugates. These are compounds containing L-cysteine where the thio-group is conjugated.
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.

2 results found

Lot NumberCertificate TypeDateItem
I2217270Certificate of AnalysisJul 09, 2025 B413875
C2526237Certificate of AnalysisJun 07, 2022 B413875
Chemical and Physical Properties
SolubilitySolubility (25°C) In vitro DMSO: 45 mg/mL (196.08 mM); Water: 45 mg/mL (196.08 mM); Ethanol: 45 mg/mL (196.08 mM);
DMSO(mg / mL) Max Solubility45
DMSO(mM) Max Solubility196.0869755
Water(mg / mL) Max Solubility45
Water(mM) Max Solubility196.0869755
Molecular Weight229.490 g/mol
XLogP3
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count6
Rotatable Bond Count6
Exact Mass229.035 Da
Monoisotopic Mass229.035 Da
Topological Polar Surface Area129.000 Ų
Heavy Atom Count13
Formal Charge0
Complexity145.000
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 Count2
Solution Calculators
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