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Nucleosides and nucleotides

2-Chloroadenosine

Also known as Adenosine, 2-chloro-, 2-Chloroadenosinehemihydrate, 2 Chloroadenosine

CAS 146-77-0Formula C10H12ClN5O4Molar mass 301.69 g/molEC 205-678-3
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard 48 suppliers listed
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2-Chloroadenosine chemical structure, C10H12ClN5O4, CAS 146-77-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
146-77-0
Formula
C10H12ClN5O4
Molar mass
301.69 g/mol
EC number
205-678-3
HS code
293499
Category
Nucleosides and nucleotides

What is 2-Chloroadenosine?

Plain description, key identifiers and synonyms

(2R,3R,4S,5R)-2-(6-amino-2-chloro-9-purinyl)-5-(hydroxymethyl)oxolane-3,4-diol is a purine nucleoside.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2R,3R,4S,5R)-2-(6-amino-2-chloropurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol
CAS number
146-77-0 CAS number cross-checkedOther or deprecated CAS: 103090-47-7
EC number
205-678-3
Molecular formula
C10H12ClN5O4
UNII
7W7ZUG45G8
MDL number
MFCD00005734
InChIKey
BIXYYZIIJIXVFW-UUOKFMHZSA-N
InChI
InChI=1S/C10H12ClN5O4/c11-10-14-7(12)4-8(15-10)16(2-13-4)9-6(19)5(18)3(1-17)20-9/h2-3,5-6,9,17-19H,1H2,(H2,12,14,15)/t3-,5-,6-,9-/m1/s1
Canonical SMILES
Nc1nc(Cl)nc2c1ncn2C1OC(CO)C(O)C1O
Isomeric SMILES
C1=NC2=C(N=C(N=C2N1[C@H]3[C@@H]([C@@H]([C@H](O3)CO)O)O)Cl)N

Synonyms

  • Adenosine, 2-chloro-
  • 2-Chloroadenosinehemihydrate
  • 2 Chloroadenosine
  • (2R,3R,4S,5R)-2-(6-amino-2-chloropurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol
  • 6-Amino-2-chloropurine riboside
  • CADO
  • 5-Chloroformycin A
  • 2-Chloro Adenosine
  • (2R,3R,4S,5R)-2-(6-amino-2-chloro-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
  • 2-CADO
  • 2-chloro[3h]adenosine
  • Cl-Ado
  • PDSP1_001209
  • (2R,3R,4S,5R)-2-(6-amino-2-chloro-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
  • (2R,3R,4S,5R)-2-(6-amino-2-chloro-9H-purin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol
  • (2R,3R,4S,5R)-2-(6-Amino-2-chloro-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol
  • 2Cl-Ado
  • 2-Chloroado
  • 2-Chloroad
  • 2-CI Adenosine
  • 2-chloro-adenosine
  • Adenosine, 2-chloro-, 2-Chloroadenosine, 2-Chloro-D-adenosine, Antibiotic AT 265B, CADO, NSC 36896
  • 2-chloro-d-adenosine
  • 2-Chloroadenosine (CADO)
  • REGID_for_CID_8974
Show all 34 synonyms
  • 4-26-00-03725 (Beilstein Handbook Reference)
  • 2-(6-Amino-2-chloro-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol
  • PDSP1_000569
  • PDSP1_000999
  • PDSP2_000567
  • PDSP2_000983
  • PDSP2_001193
  • 2-Chloro-9-(beta-D-ribofuranosyl)adenine
  • 2-[6-Amino-2-(2-cyclopentyl-ethylamino)-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
301.69 g/molcalc.
Exact mass
301.0578 Dacalc.
LogP (octanol/water)
-1.33calc.
Topological polar surface area
139.5 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
2calc.
Heavy atoms
20calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.5calc.
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, c1ncc2ncn(C3CCCO3)c2n1

c1ncc2ncn(C3CCCO3)c2n1

3 rings, 14 atoms.

3,221 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302 + H312 + H332Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled.
  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H360May damage fertility or the unborn child.
  • H361Suspected of damaging fertility or the unborn child.
Precautionary statements (22)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

2-Chloroadenosine suppliers

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Where suppliers are based

48 suppliers in 9 countries

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2-Chloroadenosine price

Indicative price range per kg from live supplier offers

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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 2-Chloroadenosine 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 2-Chloroadenosine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Chloroadenosine, based on the data on this page

What is 2-Chloroadenosine?

(2R,3R,4S,5R)-2-(6-amino-2-chloro-9-purinyl)-5-(hydroxymethyl)oxolane-3,4-diol is a purine nucleoside.

What is the CAS number of 2-Chloroadenosine?

The CAS registry number of 2-Chloroadenosine is 146-77-0. Other or deprecated CAS numbers: 103090-47-7.

What is the molecular formula and weight of 2-Chloroadenosine?

The molecular formula of 2-Chloroadenosine is C10H12ClN5O4 and its molar mass is 301.69 g/mol.

Is 2-Chloroadenosine hazardous?

2-Chloroadenosine carries the GHS signal word "Danger". Main hazards: harmful if swallowed. harmful in contact with skin. harmful if inhaled, harmful if swallowed, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Chloroadenosine?

2-Chloroadenosine 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 2-Chloroadenosine?

CompoundList lists 48 suppliers of 2-Chloroadenosine in China, United States, Germany, United Kingdom and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Chloroadenosine?

Suppliers quote 2-Chloroadenosine 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 2-Chloroadenosine

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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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