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Fluorescent dyes and stains

RH 421

Also known as 4-[4-[(1E,3E)-4-[4-(dipentylamino)phenyl]buta-1,3-dienyl]pyridin-1-ium-1-yl]butane-1-sulfonate, 4-(4-((1E,3E)-4-(4-(dipentylamino)phenyl)buta-1,3-dien-1-yl)pyridin-1-ium-1-yl)butane-1-sulfonate, 4-(4-{(1E,3E)-4-[4-(Dipentylamino)phenyl]buta-1,3-dien-1-yl}pyridin-1-ium-1-yl)butane-1-sulfonate

CAS 107610-19-5Formula C29H42N2O3SMolar mass 498.73 g/mol
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RH 421 chemical structure, C29H42N2O3S, CAS 107610-19-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
107610-19-5
Formula
C29H42N2O3S
Molar mass
498.73 g/mol
HS code
293339
Category
Fluorescent dyes and stains

What is RH 421?

Plain description, key identifiers and synonyms

RH 421 is a chemical substance with the molecular formula C29H42N2O3S and a molar mass of 498.73 g/mol. Its CAS registry number is 107610-19-5. The IUPAC name is 4-[4-[(1E,3E)-4-[4-(dipentylamino)phenyl]buta-1,3-dienyl]pyridin-1-ium-1-yl]butane-1-sulfonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-[4-[(1E,3E)-4-[4-(dipentylamino)phenyl]buta-1,3-dienyl]pyridin-1-ium-1-yl]butane-1-sulfonate
CAS number
107610-19-5 CAS number cross-checked
Molecular formula
C29H42N2O3S
UNII
M85M46IKC9
InChIKey
URNCTMHGJQSLOC-UHFFFAOYSA-N
InChI
InChI=1S/C29H42N2O3S/c1-3-5-9-22-31(23-10-6-4-2)29-17-15-27(16-18-29)13-7-8-14-28-19-24-30(25-20-28)21-11-12-26-35(32,33)34/h7-8,13-20,24-25H,3-6,9-12,21-23,26H2,1-2H3
Canonical SMILES
CCCCCN(CCCCC)c1ccc(C=CC=Cc2cc[n+](CCCCS(=O)(=O)[O-])cc2)cc1
Isomeric SMILES
CCCCCN(CCCCC)C1=CC=C(C=C1)/C=C/C=C/C2=CC=[N+](C=C2)CCCCS(=O)(=O)[O-]

Synonyms

  • 4-[4-[(1E,3E)-4-[4-(dipentylamino)phenyl]buta-1,3-dienyl]pyridin-1-ium-1-yl]butane-1-sulfonate
  • 4-(4-((1E,3E)-4-(4-(dipentylamino)phenyl)buta-1,3-dien-1-yl)pyridin-1-ium-1-yl)butane-1-sulfonate
  • 4-(4-{(1E,3E)-4-[4-(Dipentylamino)phenyl]buta-1,3-dien-1-yl}pyridin-1-ium-1-yl)butane-1-sulfonate
  • Pyridinium, 4-(4-(4-(dipentylamino)phenyl)-1,3-butadien-1-yl)-1-(4-sulfobutyl)-, inner salt
  • Pyridinium, 4-(4-(4-(dipentylamino)phenyl)-1,3-butadienyl)-1-(4-sulfobutyl)-, hydroxide, inner salt

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
498.73 g/molcalc.
Exact mass
498.2916 Dacalc.
LogP (octanol/water)
6.21calc.
Topological polar surface area
64.32 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
17calc.
Heavy atoms
35calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.48calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C(C=Cc1ccncc1)=Cc1ccccc1

C(C=Cc1ccncc1)=Cc1ccccc1

2 rings, 16 atoms.

13 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

RH 421 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • AAT Bioquest
    United States, PleasantonUnclaimed profile
    RH 421Grade, purity and minimum order on request
    Price on request
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Where suppliers are based

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RH 421 price

Indicative price range per kg from live supplier offers

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Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Fluorescent Dyes

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code RH 421 is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for RH 421 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about RH 421, based on the data on this page

What is RH 421?

RH 421 is a chemical substance with the molecular formula C29H42N2O3S and a molar mass of 498.73 g/mol. Its CAS registry number is 107610-19-5. The IUPAC name is 4-[4-[(1E,3E)-4-[4-(dipentylamino)phenyl]buta-1,3-dienyl]pyridin-1-ium-1-yl]butane-1-sulfonate.

What is the CAS number of RH 421?

The CAS registry number of RH 421 is 107610-19-5.

What is the molecular formula and weight of RH 421?

The molecular formula of RH 421 is C29H42N2O3S and its molar mass is 498.73 g/mol.

What is RH 421 used for?

Known uses and roles of RH 421 include fluorescent dyes.

Is RH 421 hazardous?

No GHS hazard classification for RH 421 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of RH 421?

RH 421 is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy RH 421?

CompoundList lists 1 supplier of RH 421 in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of RH 421?

Suppliers quote RH 421 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle RH 421

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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