Fluorescein biotin [5-((N-(5-(N-(6-(biotinoyl)amino)hexanoyl)amino)pentyl)thioureidyl)fluorescein] - ≥90% , CAS No.134759-22-1

CAS: 134759-22-1 Cat. No.: F131095 Molecular Weight: 831.012 PubChem CID: 90469808
AVAILABLE TO ORDER
GRADE & PURITY ≥90%
Synonyms
1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[6-[[5-[[[(3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl)amino]thioxomethyl]amino]pentyl]amino]-6-oxohexyl]hexahydro-2-oxo-, (3aS,4S,6aR)- (9CI)
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
F131095-1mg
2
$99.90
5mg
F131095-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$339.90
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Why this grade

≥90% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Protected from light,Store at -20°C Ships Ice chest + Ice pads 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.

Overview

Fluorescein Biotin is used as an alternative to radioactive biotin for detecting and quantitating biotin-binding sites by either fluorescence or absorbance; the the fluorescence or absorbance of Fluorescein Biotin is quenched, upon binding to avidin or streptavidin.

Specifications

Synonyms
1H-Thieno[3, 4-d]imidazole-4-pentanamide, N-[6-[[5-[[[(3', 6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H), 9'-[9H]xanthen]-5-yl)amino]thioxomethyl]amino]pentyl]amino]-6-oxohexyl]hexahydro-2-oxo-, (3aS, 4S, 6aR)- (9CI)
Specifications & Purity
≥90%
Storage
Protected from light, 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
≥90%
Names and Identifiers
Pubchem Sid504772583
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504772583
Canonical SmilesC1C2C(C(S1)CCCCC(=O)NCCCCCC(=O)NCCCCCNC(=S)NC3=CC4=C(C=C3)C5(C6=C(C=C(C=C6)O)OC7=C5C=CC(=C7)O)OC4=O)NC(=O)N2
IUPAC Name6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-N-[5-[(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)carbamothioylamino]pentyl]hexanamide
InChIKeyMFVSXUVAYGNGJQ-INIOENKZSA-N
INCHI1S/C42H50N6O8S2/c49-26-13-16-30-33(22-26)55-34-23-27(50)14-17-31(34)42(30)29-15-12-25(21-28(29)39(53)56-42)46-41(57)45-20-8-2-7-19-44-36(51)10-3-1-6-18-43-37(52)11-5-4-9-35-38-32(24-58-35)47-40(54)48-38/h12-17,21-23,32,35,38,49-50H,1-11,18-20,24H2,(H,43,52)(H,44,51)(H2,45,46,57)(H2,47,48,54)/t32-,35-,38-/m0/s1
Isomeric SMILES C1[C@H]2[C@@H]([C@@H](S1)CCCCC(=O)NCCCCCC(=O)NCCCCCNC(=S)NC3=CC4=C(C=C3)C5(C6=C(C=C(C=C6)O)OC7=C5C=CC(=C7)O)OC4=O)NC(=O)N2
PubChem CID 90469808
Molecular Weight 831.012

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
SuperclassOrganoheterocyclic compounds
ClassBiotin and derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBiotin and derivatives
Alternative Parents Xanthenes  Diarylethers  Benzofuranones  Phthalides  Isobenzofurans  Thienoimidazolidines  1-hydroxy-2-unsubstituted benzenoids  Imidazolidinones  N-acyl amines  Thiophenes  Thiolanes  Ureas  Thioureas  Carboxylic acid esters  Secondary carboxylic acid amides  Lactones  Dialkylthioethers  Oxacyclic compounds  Azacyclic compounds  Carbonyl compounds  Hydrocarbon derivatives  Organonitrogen compounds  Organic oxides  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Biotin_derivative - Xanthene - Dibenzopyran - Diaryl ether - Benzofuranone - Phthalide - Benzopyran - Isobenzofuranone - 1-benzopyran - Isocoumaran - Isobenzofuran - Thienoimidazolidine - Phenol - 1-hydroxy-2-unsubstituted benzenoid - Fatty acyl - Imidazolidinone - Benzenoid - Fatty amide - N-acyl-amine - Imidazolidine - Thiolane - Thiophene - Lactone - Secondary carboxylic acid amide - Carboxylic acid ester - Thiourea - Urea - Carboxamide group - Carboxylic acid derivative - Oxacycle - Azacycle - Dialkylthioether - Ether - Thioether - Organic oxygen compound - Organic nitrogen compound - Organic oxide - Carbonyl group - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as biotin and derivatives. These are organic compounds containing a ureido (tetrahydroimidizalone) ring fused with a tetrahydrothiophene ring.
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
I2516519Certificate of AnalysisSep 11, 2025 F131095
I2516520Certificate of AnalysisSep 11, 2025 F131095
K2330344Certificate of AnalysisSep 08, 2025 F131095
K2330345Certificate of AnalysisSep 08, 2025 F131095
K2309072Certificate of AnalysisAug 12, 2025 F131095
K2330346Certificate of AnalysisNov 18, 2023 F131095
F1913226Certificate of AnalysisJan 10, 2023 F131095
F2326186Certificate of AnalysisJan 10, 2023 F131095
Chemical and Physical Properties
Sensitivitylight sensitive
Molecular Weight831.000 g/mol
XLogP34.300
Hydrogen Bond Donor Count8
Hydrogen Bond Acceptor Count10
Rotatable Bond Count18
Exact Mass830.313 Da
Monoisotopic Mass830.313 Da
Topological Polar Surface Area257.000 Ų
Heavy Atom Count58
Formal Charge0
Complexity1430.000
Isotope Atom Count0
Defined Atom Stereocenter Count3
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
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