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4-Chloro-5H-pyrrolo[3,2-d] pyrimidine

CAS No.
84905-80-6
Chemical Name:
4-Chloro-5H-pyrrolo[3,2-d] pyrimidine
Synonyms
SW-58;SWF-58;4-CHLORO-5H-PYRROLO[3;6-chloro-9-deaza-7H-puri;4-Chloro-5H-pyrrolo[3,2-d...;4-chloro-5H-pyrrolo[2,3-c]pyridine;4-CHLORO-5H-PYROLO-[3,2-d]PYRIMIDINE;5H-Pyrrolo3,2-dpyrimidine, 4-chloro-;4-Chloro-5H-pyrrol[3,2-d] pyrimidine;4-chloro-1H-pyrrolo[3,2-d]pyriMidine
CBNumber:
CB6771371
Molecular Formula:
C6H4ClN3
Molecular Weight:
153.57
MDL Number:
MFCD06658411
MOL File:
84905-80-6.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:54:24

4-Chloro-5H-pyrrolo[3,2-d] pyrimidine Properties

Melting point 186-188 °C (decomp)(Solv: water (7732-18-5); ethanol (64-17-5))
Boiling point 325.9±22.0 °C(Predicted)
Density 1.531±0.06 g/cm3(Predicted)
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
form solid
pka 11.58±0.40(Predicted)
color Off-white
InChI InChI=1S/C6H4ClN3/c7-6-5-4(1-2-8-5)9-3-10-6/h1-3,8H
InChIKey ZGJDDWOXVGDTSP-UHFFFAOYSA-N
SMILES C1=NC(Cl)=C2NC=CC2=N1

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319-H335-H302+H312+H332-H315
Precautionary statements  P271-P260-P280
HazardClass  IRRITANT
HS Code  2933599590

4-Chloro-5H-pyrrolo[3,2-d] pyrimidine price More Price(57)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
AstaTech CL3423 4-CHLORO-5H-PYRROLO[3,2-D]PYRIMIDINE 97% 84905-80-6 1G $20 2026-04-30 Buy
AstaTech CL3423 4-CHLORO-5H-PYRROLO[3,2-D]PYRIMIDINE 97% 84905-80-6 5G $60 2026-04-30 Buy
AstaTech CL3423 4-CHLORO-5H-PYRROLO[3,2-D]PYRIMIDINE 97% 84905-80-6 25G $220 2026-04-30 Buy
Apolloscientific OR46059 4-Chloro-5H-pyrrolo[3,2-d]pyrimidine 98% 84905-80-6 1g $21 2026-06-04 Buy
Chem-Impex 18988 4-Chloro-5H-pyrrolo[3,2-d] pyrimidine ≥96%(HPLC) 84905-80-6 1G $36.65 2026-05-19 Buy
Product number Packaging Price Buy
CL3423 1G $20 Buy
CL3423 5G $60 Buy
CL3423 25G $220 Buy
OR46059 1g $21 Buy
18988 1G $36.65 Buy

4-Chloro-5H-pyrrolo[3,2-d] pyrimidine Chemical Properties, Uses, Production

Description

4-Chloro-5H-pyrrolo[3,2-d]pyrimidine is a purine analog that inhibits the growth of bacteria by binding to the enzyme DNA gyrase. It has been shown to be effective against staphylococcus and Mycobacterium tuberculosis.

Uses

4-Chloro-5H-pyrrolo[3,2-d]pyrimidine is a chlorinated pyrrolopyrimidine used in the preparation of compounds with antibacterial and antitumor activities.

Application

4-Chloro-5H-pyrrolo[3,2-d]pyrimidine binds to the enzyme DNA gyrase and prevents it from breaking down the bacterial DNA. This drug also has antimycobacterial activity due to its ability to bind to the enzyme RNA polymerase.

Synthesis

1,5-DIHYDRO-4H-PYRROLO[3,2-D]PYRIMIDIN-4-ONE

5655-01-6

4-CHLORO-5H-PYRROLO[3,2-D] PYRIMIDINE

84905-80-6

Step 4: Preparation of 4-chloro-5H-pyrrolo[3,2-d]pyrimidine (32e). 3H,5H-pyrrolo[3,2-d]pyrimidin-4-one (32d) (31.08 g, 230 mmol) was placed under a nitrogen atmosphere and phosphoryl chloride (60 mL, 644 mmol) was added. The reaction mixture was heated to reflux for 1 h, during which the mixture was observed to transform into a black homogeneous solution. Upon completion of the reaction, the mixture was cooled in an ice-water bath and subsequently slowly poured into crushed ice (775 mL) under stirring. The pH of the aqueous solution was slowly adjusted to about 8 with concentrated ammonia (225 mL) while keeping the mixture cool. The resulting precipitate was collected by vacuum filtration and washed with cold water. The solid was transferred to a drying tray and dried under vacuum at 110 °C to afford 4-chloro-5H-pyrrolo[3,2-d]pyrimidine (32e) (31.48 g, 89% yield) as a dark gray solid. To obtain an analytically pure sample, it was purified by silica gel column chromatography (eluent: EtOAc-hexane, 35:65) and the relevant fractions were collected and concentrated. Grinding of the solid with EtOAc-MeOH mixed solvent afforded an off-white solid 4-chloro-5H-pyrrolo[3,2-d]pyrimidine (32e) with a melting point >150 °C (decomposition).1H NMR (DMSO-d6) δ 12.43 (s, D2O exchangeable, 1H), 8.61 (s, 1H), 7.97 (dd, J = 2.8, 2.8 Hz; D2O-exchangeable to d, 1H), 6.72 (dd, J = 1.7, 3.5 Hz; D2O-exchangeable to d, 1H).13C NMR (DMSO-d6) δ 151.30, 149.58, 142.12, 134.83, 124.32, 102.70.IR (pure sample) 3128, 3078, 2979, 1621 cm-1. MS (ES+) m/z 154.01 (100%, [M+H]+), 156.01 (33%). Elemental analysis (C6H4N3Cl) Calculated values: C, 46.93; H, 2.63; N, 27.36; Cl, 23.09. Measured values: C, 47.10; H, 2.79; N, 27.15; Cl, 22.93.

References

[1] Organic Process Research and Development, 2009, vol. 13, # 5, p. 928 - 932
[2] Patent: WO2014/78778, 2014, A2. Location in patent: Page/Page column 105
[3] Journal of Organic Chemistry, 2011, vol. 76, # 21, p. 8658 - 8669
[4] Patent: WO2008/70507, 2008, A2. Location in patent: Page/Page column 150-151
[5] Patent: US2012/202785, 2012, A1. Location in patent: Page/Page column 129

5655-01-6
84905-80-6
Synthesis of 4-Chloro-5H-pyrrolo[3,2-d] pyrimidine from 1,5-Dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one
Global Suppliers ( 225)
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Taizhou Blazer Biomedical Technology Co., Ltd. 0523-86112008 13915404123 sales@blazerbio.com China 285 58
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Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56

View Latest Price from 4-Chloro-5H-pyrrolo[3,2-d] pyrimidine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Chloro-5H-pyrrolo[3,2-d]pyrimidine pictures 2025-04-04 4-Chloro-5H-pyrrolo[3,2-d]pyrimidine
84905-80-6
1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
4-Chloro-5H-pyrrolo[3,2-d]pyriMidine  pictures 2020-05-15 4-Chloro-5H-pyrrolo[3,2-d]pyriMidine
84905-80-6
$1.00 1KG 99% 20T Shaanxi Dideu Medichem Co. Ltd
4-CHLORO-5H-PYRROLO[3,2-D] PYRIMIDINE pictures 2019-07-06 4-CHLORO-5H-PYRROLO[3,2-D] PYRIMIDINE
84905-80-6
$500.00 1KG 98% 1ton Career Henan Chemical Co
4-Chloro-5H-pyrrol[3,2-d] pyrimidine 5H-Pyrrolo3,2-dpyrimidine, 4-chloro- 4-chloro-5H-pyrrolo[2,3-c]pyridine 4-Chloro-5H-pyrrolo[3,2-d... 6-chloro-9-deaza-7H-purine, 4-chloro-3H,5H-pyrrolo[3,2-d]pyriMidine, 4-Chloropyrrolo<3,2-d>pyriMidine 4-chloro-1H-pyrrolo[3,2-d]pyriMidine 6-chloro-9-deaza-7H-puri 4-CHLORO-5H-PYRROLO[3 SWF-58 SW-58 4-CHLORO-5H-PYROLO-[3,2-d]PYRIMIDINE 4-Chloro-5H-pyrrolo[3,2-d] pyrimidine 84905-80-6 4905-80-6 Heterocycle-Pyrimidine series CHIRAL CHEMICALS Heterocycles series