Pontamine sky blue 5B (acid form) , CAS No.P667854

CAS: P667854 Cat. No.: P667854 Molecular Weight: 904.9
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Synonyms
Pontamine sky blue 5B (acid form) | CHEBI:88195 | NSC-9616 | 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(diazene-2,1-diyl)]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonic acid) | Pontamine sky blue 5B free acid | DTXSID40859731 | C.I. Direct Blue 1
Storage
Room temperature
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Size
Status
Price
Qty
1mg
P667854-1mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$571.90

$999.90
Save $428.00 (42.80%)
5mg
P667854-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$1,999.90

$2,999.90
Save $1,000.00 (33.33%)
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships 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
Pontamine sky blue 5B (acid form) | CHEBI:88195 | NSC-9616 | 3, 3'-[(3, 3'-dimethoxy[1, 1'-biphenyl]-4, 4'-diyl)bis(diazene-2, 1-diyl)]bis(5-amino-4-hydroxynaphthalene-2, 7-disulfonic acid) | Pontamine sky blue 5B free acid | DTXSID40859731 | C.I. Direct Blue 1
Storage
Room temperature
Product Properties
ALogP3.6
Names and Identifiers
Canonical SmilesCOC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)O)S(=O)(=O)O)N)O)OC)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)O)S(=O)(=O)O)N)O
IUPAC Name5-amino-3-[[4-[4-[(8-amino-1-hydroxy-3,6-disulfonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonic acid
InChIKeyKIZIRROTJQVUGJ-UHFFFAOYSA-N
INCHI1S/C34H28N6O16S4/c1-55-25-9-15(3-5-23(25)37-39-31-27(59(49,50)51)11-17-7-19(57(43,44)45)13-21(35)29(17)33(31)41)16-4-6-24(26(10-16)56-2)38-40-32-28(60(52,53)54)12-18-8-20(58(46,47)48)14-22(36)30(18)34(32)42/h3-14,41-42H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54)
Isomeric SMILES COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)O)S(=O)(=O)O)N)O)OC)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)O)S(=O)(=O)O)N)O
Molecular Weight 904.9
Reaxy-Rn 740802
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=740802&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ 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.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBiphenyls and derivatives
Intermediate Tree Nodes Benzidines
Direct Parent3,3'-disubstituted benzidines
Alternative Parents 2-naphthalene sulfonates  2-naphthalene sulfonic acids and derivatives  Naphthols and derivatives  1-sulfo,2-unsubstituted aromatic compounds  Methoxyanilines  Phenoxy compounds  Anisoles  Methoxybenzenes  1-hydroxy-4-unsubstituted benzenoids  Alkyl aryl ethers  Organosulfonic acids  Sulfonyls  Azo compounds  Propargyl-type 1,3-dipolar organic compounds  Primary amines  Hydrocarbon derivatives  Organic oxides  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents 3,3'-disubstituted benzidine - Naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - Naphthalene sulfonic acid or derivatives - 2-naphthalene sulfonate - 1-naphthol - Naphthalene - Methoxyaniline - 1-sulfo,2-unsubstituted aromatic compound - Arylsulfonic acid or derivatives - Methoxybenzene - Phenol ether - Anisole - Phenoxy compound - Alkyl aryl ether - Phenol - 1-hydroxy-4-unsubstituted benzenoid - Sulfonyl - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Azo compound - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Ether - Organic nitrogen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Primary amine - Amine - Organic oxygen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 3,3'-disubstituted benzidines. These are organic compounds containing a benzidine skeleton, which is substituted only at the 3- and 3'-positions.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ENPP2 Tchem Autotaxin (2645 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ENPP6 Tbio Ectonucleotide pyrophosphatase/phosphodiesterase family member 6 (69 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:
Chemical and Physical Properties
Molecular Weight904.900 g/mol
XLogP33.600
Hydrogen Bond Donor Count8
Hydrogen Bond Acceptor Count22
Rotatable Bond Count11
Exact Mass904.044 Da
Monoisotopic Mass904.044 Da
Topological Polar Surface Area411.000 Ų
Heavy Atom Count60
Formal Charge0
Complexity1880.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
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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