4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine

Product Name: 4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
CAS No.: 1186647-69-7
Chemical Name: 4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
Synonyms: 4-chloro-3-iodo-1H-pyrazolo[4;4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine;4-chloro-3-iodo-2H-pyrazolo[4,3-c]pyridine;4-chloro-3-iodo-1h-pyrazole[4,3-c]pyridine;1H-Pyrazolo[4,3-c]pyridine, 4-chloro-3-iodo-;4-Chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
CBNumber: CB82516440
Molecular Formula: C6H3ClIN3
Formula Weight: 279.47
MOL File: 1186647-69-7.mol

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4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine Property

Boiling point:: 435.2±40.0 °C(Predicted)
Density: 2.284
storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
form: solid
pka: 8.51±0.40(Predicted)
Appearance: Light yellow to yellow Solid
InChI: InChI=1S/C6H3ClIN3/c7-5-4-3(1-2-9-5)10-11-6(4)8/h1-2H,(H,10,11)
InChIKey: PBVPGWHQJRFJQU-UHFFFAOYSA-N
SMILES: C1(Cl)=NC=CC2NN=C(I)C1=2

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Safety

Risk Statements: 36
Safety Statements: 26
RIDADR: UN 2811 6.1 / PGIII
WGK Germany: WGK 3
Storage Class: 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications: Acute Tox. 3 Oral
Eye Irrit. 2

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H319Causes serious eye irritation

Precautionary statements

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: BLN00018
Product name: 4-Chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
Packaging: 1g
Price: $1250
Updated: 2026/03/19

TRC

Product number: C382653
Product name: 4-Chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
Packaging: 50mg
Price: $60
Updated: 2021/12/16

ChemScene

Product number: CS-0037242
Product name: 4-Chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
Purity: ≥97.0%
Packaging: 250mg
Price: $61
Updated: 2021/12/16

ChemScene

Product number: CS-0037242
Product name: 4-Chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
Purity: ≥97.0%
Packaging: 1g
Price: $156
Updated: 2021/12/16

Matrix Scientific

Product number: 074729
Product name: 4-Chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine
Purity: 95+%
Packaging: 1g
Price: $178
Updated: 2021/12/16

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4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine Chemical Properties,Usage,Production

Synthesis

871836-51-0

1186647-69-7

4-Chloro-1H-pyrazolo[4,3-c]pyridine (1.5 g, 9.77 mmol, 1.00 eq.) was used as a starting material and dissolved in 1,4-dioxane (25 mL). Subsequently, potassium hydroxide (2.0 g, 35.65 mmol, 3.60 eq.) was added and the reaction mixture was stirred at 75 °C. At this temperature, iodine (4.95 g, 19.50 mmol, 2.00 eq.) was slowly added and the reaction lasted for 4 hours. Upon completion of the reaction, the reaction was quenched with saturated sodium thiosulfate pentahydrate aqueous solution and the resulting solid was collected by filtration. 4-Chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine (2.5 g, 92% yield) was finally obtained as a light yellow solid. The product was analyzed by LC-MS (ES, m/z) and showed a molecular ion peak of 280 [M + H].

References

[1] Patent: WO2015/25025, 2015, A1. Location in patent: Page/Page column 171; 328; 333
[2] Patent: WO2016/210165, 2016, A1. Location in patent: Page/Page column 67
[3] Patent: WO2017/215600, 2017, A1. Location in patent: Page/Page column 32-33
[4] Patent: EP2252293, 2018, B1. Location in patent: Paragraph 0257; 0259
[5] Patent: WO2012/38743, 2012, A1. Location in patent: Page/Page column 82

4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine Preparation Products And Raw materials

Raw materials

Preparation Products

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4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine Suppliers

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