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Fluorescent dyes and stains

Picogreen

Also known as PicoGreen Dye, PicoGreen Fluorescent Nucleic Acid Dye, Dye 993

CAS 177571-06-1Formula C34H42N5S+Molar mass 552.81 g/mol
1 supplier listed
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Picogreen chemical structure, C34H42N5S+, CAS 177571-06-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
177571-06-1
Formula
C34H42N5S+
Molar mass
552.81 g/mol
HS code
293420
Category
Fluorescent dyes and stains

What is Picogreen?

Plain description, key identifiers and synonyms

PicoGreen Dye is a proprietary dye for staining and quantitation of double-stranded DNA. It can selectively detect as little as 25 pg/ml of dsDNA in the presence of ssDNA, RNA, and free nucleotides. The assay is linear over three orders of magnitude and has little sequence dependence.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N'-[3-(dimethylamino)propyl]-N,N-dimethyl-N'-[4-[(3-methyl-1,3-benzothiazol-2-ylidene)methyl]-1-phenylquinolin-1-ium-2-yl]propane-1,3-diamine
CAS number
177571-06-1Other or deprecated CAS: 178918-98-4
Molecular formula
C34H42N5S+
InChIKey
ZYFVNVRFVHJEIU-UHFFFAOYSA-N
InChI
InChI=1S/C34H42N5S/c1-35(2)21-13-23-38(24-14-22-36(3)4)33-25-27(26-34-37(5)31-19-11-12-20-32(31)40-34)29-17-9-10-18-30(29)39(33)28-15-7-6-8-16-28/h6-12,15-20,25-26H,13-14,21-24H2,1-5H3/q+1
SMILES (canonical and isomeric)
CN1C2=CC=CC=C2SC1=CC3=CC(=[N+](C4=CC=CC=C43)C5=CC=CC=C5)N(CCCN(C)C)CCCN(C)C

Synonyms

  • PicoGreen Dye
  • PicoGreen Fluorescent Nucleic Acid Dye
  • Dye 993
  • 2-{bis[3-(dimethylamino)propyl]amino}-4-[(3-methyl-1,3-benzothiazol-2(3H)-ylidene)methyl]-1-phenylquinolinium
  • 2-(Bis(3-(dimethylamino)propyl)amino)-4-((3-methylbenzo[d]thiazol-2(3H)-ylidene)methyl)-1-phenylquinolin-1-ium
  • 2-[Bis[3-(dimethylamino)propyl]amino]-4-[(3-methyl-2(3H)-benzothiazolylidene)methyl]-1-phenylquinolinium

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
552.81 g/molcalc.
Exact mass
552.3155 Dacalc.
LogP (octanol/water)
6.37calc.
Topological polar surface area
16.84 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
11calc.
Heavy atoms
40calc.
Rings
5calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.32calc.
Formal charge
1calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 violations)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(=C1Nc2ccccc2S1)c1cc[n+](-c2ccccc2)c2ccccc12

C(=C1Nc2ccccc2S1)c1cc[n+](-c2ccccc2)c2ccccc12

5 rings, 26 atoms.

11 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.

Picogreen suppliers

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

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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

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Picogreen price

Indicative price range per kg from live supplier offers

No published prices right now

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

Roles

  • dye
  • fluorescent dye

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 Picogreen is traded under.

HS 2934.20Indicative HS code

Compounds containing in the structure a benzothiazole ring-system (whether or not…

World exports in 2024
$662M
+4.3% vs 2023, imports $630M
2019 to 2024
Top exporters
  1. China62.9%
  2. Belgium14.6%
  3. United States5.4%
Top importers
  1. India * partner reported18.5%
  2. United States18.1%
  3. Brazil6.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Picogreen, based on the data on this page

What is Picogreen?

PicoGreen Dye is a proprietary dye for staining and quantitation of double-stranded DNA. It can selectively detect as little as 25 pg/ml of dsDNA in the presence of ssDNA, RNA, and free nucleotides. The assay is linear over three orders of magnitude and has little sequence dependence.

What is the CAS number of Picogreen?

The CAS registry number of Picogreen is 177571-06-1. Other or deprecated CAS numbers: 178918-98-4.

What is the molecular formula and weight of Picogreen?

The molecular formula of Picogreen is C34H42N5S+ and its molar mass is 552.81 g/mol.

What is Picogreen used for?

Known uses and roles of Picogreen include dye and fluorescent dye.

Is Picogreen hazardous?

No GHS hazard classification for Picogreen 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 Picogreen?

Picogreen is usually classified under HS code 293420 (Compounds containing in the structure a benzothiazole ring-system (whether or not…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Picogreen?

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

What is the price of Picogreen?

Suppliers quote Picogreen 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 Picogreen

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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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