Bilirubin - Moligand™, ≥98% , CAS No.635-65-4

CAS: 635-65-4 Cat. No.: B104211 Formula: C33H36N4O6 Molecular Weight: 584.66 Beilstein Registry Number: 74376 EC Number: 211-239-7
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
Synonyms
AKOS015895627 | BSPBio_002531 | EINECS 211-239-7 | HY-N0323 | 2,17-diethenyl-1,10,19,22,23,24-hexahydro-3,7,13,18-tetramethyl-1,19-dioxo-21H-Biline-8,12-dipropanoate | 3-(2-((3-(2-carboxyethyl)-4-methyl-5-((Z)-(3-methyl-5-oxo-4-vinyl-1H-pyrrol-2(5H)-ylide
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
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Size
USA
Germany (EU)*
Price
Qty
100mg
B104211-100mg
In stock ≥10
—
$14.90
250mg
B104211-250mg
In stock ≥10
—
$29.90
1g
B104211-1g
7 In stock
—
$69.90
5g
B104211-5g
2 In stock
—
$269.90
25g
B104211-25g
1 In stock
—
$699.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

Moligand™, ≥98% Moligand™ 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 51 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Bilirubin is a principal pigment of bile and one of the major end products of hemoglobin decomposition. It contains conjugated double bonds and reactive hydrogen atoms. Serves as a physiological antioxidant. Reported to cross the blood-brain barrier and exert significant antioxidant effects in the brain. This product corresponds to the unconjugated form. Extinction coefficient (454 nm, CHCl3):59,100-62,300 M-1cm-1.
A principal pigment of bile and one of the major end products of hemoglobin decomposition

Specifications

Synonyms
AKOS015895627 | BSPBio_002531 | EINECS 211-239-7 | HY-N0323 | 2,17-diethenyl-1,10,19,22,23,24-hexahydro-3,7,13,18-tetramethyl-1,19-dioxo-21H-Biline-8,12-dipropanoate | 3-(2-((3-(2-carboxyethyl)-4-methyl-5-((Z)-(3-methyl-5-oxo-4-vinyl-1H-pyrrol-2(5H)-ylide
Specifications & Purity
Moligand™, ≥98%
Biochemical and Physiological Mechanisms
Well over 99% of total bilirubin is transported as a conjugate with albumin. Abnormally high levels of bilirubin can cause severe neurological damage, but mildly elevated levels are linked to protection from oxidative stress.
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.
Grade
Moligand™
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488195199
Canonical Smiles
CC1=C(NC(=C1CCC(=O)O)CC2=C(C(=C(N2)C=C3C(=C(C(=O)N3)C)C=C)C)CCC(=O)O)C=C4C(=C(C(=O)N4)C=C)C
IUPAC Name
3-[2-[[3-(2-carboxyethyl)-5-[(Z)-(3-ethenyl-4-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl]methyl]-5-[(Z)-(4-ethenyl-3-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid
InChIKey
BPYKTIZUTYGOLE-IFADSCNNSA-N
INCHI
1S/C33H36N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h7-8,13-14,34-35H,1-2,9-12,15H2,3-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b26-13-,27-14-
Isomeric SMILES
CC1=C(NC(=C1CCC(=O)O)CC2=C(C(=C(N2)/C=C\3/C(=C(C(=O)N3)C)C=C)C)CCC(=O)O)/C=C\4/C(=C(C(=O)N4)C=C)C
WGK Germany
2
RTECS
DU3038000
Molecular Weight
584.66
Beilstein
74376
Reaxy-Rn
1236109
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1236109&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
SuperclassOrganoheterocyclic compounds
ClassTetrapyrroles and derivatives
SubclassBilirubins
Intermediate Tree Nodes Not available
Direct ParentBilirubins
Alternative Parents Substituted pyrroles  Dicarboxylic acids and derivatives  Pyrrolines  Heteroaromatic compounds  Secondary carboxylic acid amides  Lactams  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Bilirubin skeleton - Dicarboxylic acid or derivatives - Substituted pyrrole - Pyrrole - Pyrroline - Heteroaromatic compound - Secondary carboxylic acid amide - Lactam - Carboxamide group - Azacycle - Carboxylic acid - Carboxylic acid derivative - Organopnictogen compound - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Carbonyl group - Hydrocarbon derivative - Organic oxide - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as bilirubins. These are organic compounds containing a dicarboxylic acyclic tetrapyrrole derivative.
External Descriptors dicarboxylic acid - biladienes
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
SLCO1B1 Tchem Solute carrier organic anion transporter family member 1B1 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
VDR Tclin Vitamin D receptor (26531 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CASP1 Tchem Caspase-1 (6235 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CASP7 Tchem Caspase-7 (3146 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UGT1A4 Tbio UDP-glucuronosyltransferase 1A4 (288 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Caco-2 (12174 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UGT2B7 Tchem UDP-glucuronosyltransferase 2B7 (787 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UGT2B17 Tbio UDP-glucuronosyltransferase 2B17 (197 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HSD17B10 Tchem Endoplasmic reticulum-associated amyloid beta-peptide-binding protein (20669 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLK Tbio DNA polymerase kappa (8653 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UGT1A1 Tchem UDP-glucuronosyltransferase 1-1 (448 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
LMNA Tbio Prelamin-A/C (36751 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B1 Tchem Solute carrier organic anion transporter family member 1B1 (2672 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B3 Tchem Solute carrier organic anion transporter family member 1B3 (2517 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1A2 Tchem Solute carrier organic anion transporter family member 1A2 (104 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UGT1A6 Tbio UDP-glucuronosyltransferase 1-6 (221 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
UGT1A9 Tbio UDP-glucuronosyltransferase 1-9 (343 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
USP1 Tchem Ubiquitin carboxyl-terminal hydrolase 1 (22556 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MEN1 Tchem Menin/Histone-lysine N-methyltransferase MLL (48157 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Cruzipain (33337 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Salmonella typhimurium (15756 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mapt Microtubule-associated protein tau (6 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fba Putative fructose-1,6-bisphosphate aldolase (15559 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Impa1 Inositol monophosphatase 1 (16203 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ffp 4'-phosphopantetheinyl transferase ffp (24982 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Slco1a1 Solute carrier organic anion transporter family member 1A1 (265 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SARS-CoV-2 (38078 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

33 results found

Lot NumberCertificate TypeDateItem
D2603183Certificate of AnalysisMar 09, 2026 B104211
D2603170Certificate of AnalysisMar 09, 2026 B104211
D2603142Certificate of AnalysisMar 09, 2026 B104211
D2603140Certificate of AnalysisMar 09, 2026 B104211
D2603141Certificate of AnalysisMar 09, 2026 B104211
K2518200Certificate of AnalysisDec 09, 2024 B104211
F2516043Certificate of AnalysisDec 09, 2024 B104211
B2506366Certificate of AnalysisDec 09, 2024 B104211
B2506385Certificate of AnalysisDec 09, 2024 B104211
B2514423Certificate of AnalysisDec 09, 2024 B104211
B2514424Certificate of AnalysisDec 09, 2024 B104211
L2314033Certificate of AnalysisNov 14, 2022 B104211
J2409089Certificate of AnalysisNov 14, 2022 B104211
I2425078Certificate of AnalysisNov 14, 2022 B104211
H2421128Certificate of AnalysisNov 14, 2022 B104211
F2404078Certificate of AnalysisNov 14, 2022 B104211
B2327110Certificate of AnalysisNov 14, 2022 B104211
B2327095Certificate of AnalysisNov 14, 2022 B104211
B2327094Certificate of AnalysisNov 14, 2022 B104211
B2327092Certificate of AnalysisNov 14, 2022 B104211
B2327085Certificate of AnalysisNov 14, 2022 B104211
B2327086Certificate of AnalysisNov 14, 2022 B104211
B2327120Certificate of AnalysisNov 14, 2022 B104211
B2327087Certificate of AnalysisNov 14, 2022 B104211
H2223109Certificate of AnalysisJul 12, 2022 B104211
L2306098Certificate of AnalysisJul 12, 2022 B104211
H2223253Certificate of AnalysisJul 12, 2022 B104211
H2223252Certificate of AnalysisJul 12, 2022 B104211
H2223045Certificate of AnalysisJul 12, 2022 B104211
H2223043Certificate of AnalysisJul 12, 2022 B104211
A2409172Certificate of AnalysisJun 07, 2022 B104211
A2409171Certificate of AnalysisJun 07, 2022 B104211
G2205154Certificate of AnalysisMay 18, 2021 B104211
Chemical and Physical Properties
SolubilitySoluble in chloroform (10 mg/ml), benzene, chlorobenzene, carbon disulfide, alkaline solutions, aqueous acid, ethanol (slightly), and ether (slightly). Insoluble in water.
SensitivityLight & Heat & Air sensitive
Refractive Index1.72
Boil Point(°C)925.16°C/760mmHg
Melt Point(°C)192°C
Molecular Weight584.700 g/mol
XLogP32.900
Hydrogen Bond Donor Count6
Hydrogen Bond Acceptor Count6
Rotatable Bond Count12
Exact Mass584.263 Da
Monoisotopic Mass584.263 Da
Topological Polar Surface Area164.000 Ų
Heavy Atom Count43
Formal Charge0
Complexity1340.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count2
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds2
Covalently-Bonded Unit Count1
Documents & Articles
Lipid Panel Testing in Research (TC, TG, HDL-C, LDL-C): Indicator System, Assay Principles, Technical Routes, and Application Overview
Glucose Content Determination: A Systematic Review of Detection Principles, Method Validation, and Research Application Frameworks
Pyrrole Research Reagent Selection Roadmap: Structure—Reactive Sites—Application Throughline and Reagent Classification Guide (Tables 1–4)
Mechanisms of Gut Microbial Enzyme-Mediated Metabolism of Glucuronide Conjugates and Drug Biotransformation
Application of albumin
Comparison of Bilirubin Detection Methods: Application Selection of the Diazo Method, Vanadate Oxidation Method, Bilirubin Oxidase Method, and HPLC
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
What is Moligand??
Moligand? is one of Aladdin Scientific's premium product lines, formulated for high-purity applications across multiple workflows. Compared to standard grades in the same workflow, Moligand? products typically offer tighter specifications, more rigorous QC, and stronger lot-to-lot consistency.
How should this product be stored?
Store at ?20 °C under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 635-65-4, the molecular formula is C33H36N4O6, and the molecular weight is 584.66 g/mol. InChIKey BPYKTIZUTYGOLE-IFADSCNNSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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