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Nucleosides and nucleotides

Ccpa

Also known as Adenosine, 2-chloro-N-cyclopentyl-, 2-chloro-N(6)cyclopentyladenosine, (2R,3R,4S,5R)-2-[2-chloro-6-(cyclopentylamino)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol

CAS 37739-05-2Formula C15H20ClN5O4Molar mass 369.81 g/mol
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Ccpa chemical structure, C15H20ClN5O4, CAS 37739-05-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
37739-05-2
Formula
C15H20ClN5O4
Molar mass
369.81 g/mol
HS code
293499
Category
Nucleosides and nucleotides

What is Ccpa?

Plain description, key identifiers and synonyms

Ccpa is a chemical substance with the molecular formula C15H20ClN5O4 and a molar mass of 369.81 g/mol. Its CAS registry number is 37739-05-2. The IUPAC name is (2R,3R,4S,5R)-2-[2-chloro-6-(cyclopentylamino)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,3R,4S,5R)-2-[2-chloro-6-(cyclopentylamino)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol
CAS number
37739-05-2 CAS number cross-checkedOther or deprecated CAS: 1217443-91-8
Molecular formula
C15H20ClN5O4
UNII
JX2F2W6WSP
MDL number
MFCD00078574
InChIKey
XSMYYYQVWPZWIZ-IDTAVKCVSA-N
InChI
InChI=1S/C15H20ClN5O4/c16-15-19-12(18-7-3-1-2-4-7)9-13(20-15)21(6-17-9)14-11(24)10(23)8(5-22)25-14/h6-8,10-11,14,22-24H,1-5H2,(H,18,19,20)/t8-,10-,11-,14-/m1/s1
Canonical SMILES
OCC1OC(n2cnc3c(NC4CCCC4)nc(Cl)nc32)C(O)C1O
Isomeric SMILES
C1CCC(C1)NC2=C3C(=NC(=N2)Cl)N(C=N3)[C@H]4[C@@H]([C@@H]([C@H](O4)CO)O)O

Synonyms

  • Adenosine, 2-chloro-N-cyclopentyl-
  • 2-chloro-N(6)cyclopentyladenosine
  • (2R,3R,4S,5R)-2-[2-chloro-6-(cyclopentylamino)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol
  • CCPA-2-Cl-N-CPA
  • 2-CCPA
  • CCPA-2
  • (2R,3R,4S,5R)-2-(2-chloro-6-(cyclopentylamino)purin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol
  • 2-Chloro-N6-cyclopentyladenosine
  • 2-Chloro-N-cyclopentyladenosine
  • 2-Chloro-N6-cyclopentyl Adenosine
  • [3H]CCPA
  • (2R,3R,4S,5R)-2-(2-chloro-6-(cyclopentylamino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
  • 2-chloro-N6-Cyclopentyladenosine (hydrate)
  • C15H20ClN5O4
  • 2-Chloro-N6-cyclopentyladenosine hemihydrate
  • [3H]-CCPA
  • (2R,3R,4S,5R)-2-[2-Chloro-6-(cyclopentylamino)-9H-purin-9-yl]-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
  • CCPA-2-chloro-N(6)-cyclopentyladenosine
  • 2-Cl-CPA
  • N6-Cyclopentyl-2-chloroAdo
  • 2-(2-Chloro-6-cyclopentylamino-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol
  • 2-Chloro-N6-cyclopentyl-D-adenosine
  • PDSP1_000305
  • PDSP1_000831
  • PDSP1_001070
Show all 34 synonyms
  • PDSP2_000303
  • PDSP2_000818
  • PDSP2_001054
  • (2R,3R,4S,5R)-2-[2-chloro-6-(cyclopentylamino)purin-9-yl]-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
  • 2-chloro-N6-cyclopentyladenosine (2-Cl-CPA)
  • 2-Chloro-N6-cyclopentyladenosine, adenosine receptor agonist
  • 2-(2-Chloro-6-cyclopentylamino-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol(CCPA)
  • (2R,3R,4S,5R)-2-(2-chloro-6-(cyclopentylamino)-9H-purin-9-yl)-5-(hydroxymethyl)-tetrahydrofuran-3,4-diol
  • (2R,3R,4S,5R)-2-(2-Chloro-6-cyclopentylamino-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol

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
369.81 g/molcalc.
Exact mass
369.1204 Dacalc.
LogP (octanol/water)
0.45calc.
Topological polar surface area
125.6 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
4calc.
Heavy atoms
25calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Passes (0 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, c1nc(NC2CCCC2)c2ncn(C3CCCO3)c2n1

c1nc(NC2CCCC2)c2ncn(C3CCCO3)c2n1

4 rings, 20 atoms.

30 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.

Ccpa suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Ccpa price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Ccpa is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Ccpa?

Ccpa is a chemical substance with the molecular formula C15H20ClN5O4 and a molar mass of 369.81 g/mol. Its CAS registry number is 37739-05-2. The IUPAC name is (2R,3R,4S,5R)-2-[2-chloro-6-(cyclopentylamino)purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol.

What is the CAS number of Ccpa?

The CAS registry number of Ccpa is 37739-05-2. Other or deprecated CAS numbers: 1217443-91-8.

What is the molecular formula and weight of Ccpa?

The molecular formula of Ccpa is C15H20ClN5O4 and its molar mass is 369.81 g/mol.

Is Ccpa hazardous?

No GHS hazard classification for Ccpa 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 Ccpa?

Ccpa is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ccpa?

CompoundList lists 2 suppliers of Ccpa in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ccpa?

Suppliers quote Ccpa 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 Ccpa

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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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