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ChemicalBook >> CAS DataBase List >>1-Benzyl-4-iodo-1H-pyrazole

1-Benzyl-4-iodo-1H-pyrazole

CAS No.
50877-42-4
Chemical Name:
1-Benzyl-4-iodo-1H-pyrazole
Synonyms
-4-iodo-1H-pyrazoL;benzyl-4-iodo-1H-pyrazole;1-Benzyl-4-iodo-1H-pyraole;1-(benzyl)-4-iodo-pyrazole;1-BENZYL-4-IODO-1H-PYRAZOLE;1H-(N-BENZYL)-4-IODOPYRAZOLE;1-benzyl-4-iodine-1H-pyrazole;4-iodo-1-(phenylmethyl)pyrazole;4-Iodo-1-benzyl-1H-pyrazole, 95%;1-Benzyl-4-iodo-1H-pyrazole
CBNumber:
CB3200155
Molecular Formula:
C10H9IN2
Molecular Weight:
284.1
MDL Number:
MFCD04038745
MOL File:
50877-42-4.mol
Last updated:2025-07-24 18:13:53

1-Benzyl-4-iodo-1H-pyrazole Properties

Melting point 62-66 °C
Boiling point 367.1±25.0 °C(Predicted)
Density 1.67±0.1 g/cm3(Predicted)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility soluble in Methanol
form powder to crystal
pka 0.11±0.10(Predicted)
color White to Orange to Green
CAS DataBase Reference 50877-42-4(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Signal word  Danger
Hazard statements  H315-H318-H335
Precautionary statements  P280-P302+P352-P305+P351+P338+P310
Hazard Codes  Xi
Risk Statements  36/37/38-41-37/38
Safety Statements  26-36-39
WGK Germany  3
HazardClass  IRRITANT
HS Code  2933199090
NFPA 704
1
2 0

1-Benzyl-4-iodo-1H-pyrazole price More Price(33)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 683574 1-Benzyl-4-iodo-1H-pyrazole 97% 50877-42-4 1g $36.5 2023-06-20 Buy
TCI Chemical B5286 1-Benzyl-4-iodo-1H-pyrazole >98.0%(GC) 50877-42-4 1g $106 2025-07-31 Buy
TCI Chemical B5286 1-Benzyl-4-iodo-1H-pyrazole >98.0%(GC) 50877-42-4 5g $329 2025-07-31 Buy
TRC B130048 1-Benzyl-4-iodo-1H-pyrazole 50877-42-4 50mg $45 2021-12-16 Buy
TRC B130048 1-Benzyl-4-iodo-1H-pyrazole 50877-42-4 500mg $90 2021-12-16 Buy
Product number Packaging Price Buy
683574 1g $36.5 Buy
B5286 1g $106 Buy
B5286 5g $329 Buy
B130048 50mg $45 Buy
B130048 500mg $90 Buy

1-Benzyl-4-iodo-1H-pyrazole Chemical Properties,Uses,Production

Synthesis

4-Iodopyrazole

3469-69-0

Benzyl bromide

100-39-0

1-Benzyl-4-iodo-1H-pyrazole

50877-42-4

Step 1. Synthesis of 1-benzyl-4-iodo-1H-pyrazole; 4-iodo-1H-pyrazole (17 g, 87.63 mmol, 1.00 eq.) was dissolved in N,N-dimethylformamide (150 mL) in a 250 mL round bottom flask. Sodium hydride (3.6 g, 105.00 mmol, 1.20 eq., 70% dispersed in mineral oil) was added in batches at 0 °C. Subsequently, benzyl bromide (16.5 g, 96.49 mmol, 1.10 eq.) was added dropwise at the same temperature. The reaction mixture was slowly warmed to room temperature and stirring was continued for 2 hours. Upon completion of the reaction, the reaction was quenched with an ice-water mixture (200 mL). The reaction mixture was extracted with ethyl acetate (3 x 200 mL). The organic layers were combined, dried over anhydrous sodium sulfate, filtered and concentrated on a rotary evaporator to give 1-benzyl-4-iodo-1H-pyrazole as a yellow solid (22 g, 80% yield).

References

[1] Organic Letters, 2017, vol. 19, # 19, p. 5114 - 5117
[2] Patent: WO2006/84338, 2006, A1. Location in patent: Page/Page column 63
[3] Patent: US8080566, 2011, B1. Location in patent: Page/Page column 56-57
[4] Patent: WO2016/615, 2016, A1. Location in patent: Paragraph 00555
[5] Patent: WO2014/128465, 2014, A1. Location in patent: Page/Page column 160; 161

3469-69-0
100-44-7
50877-42-4
Synthesis of 1-Benzyl-4-iodo-1H-pyrazole from 4-Iodopyrazole and Benzyl chloride

1-Benzyl-4-iodo-1H-pyrazole Preparation Products And Raw materials

Global( 142)Suppliers
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co.,Ltd. 		+8613336195806 sales@capot.com China 29731 60
Shanghai Daken Advanced Materials Co.,Ltd 		+86-2158073036 info@dakenam.com China 12891 58
Accela ChemBio Inc. 		+1-858-6993322 info@accelachem.com United States 21193 58
Alchem Pharmtech,Inc. 		8485655694 sales@alchempharmtech.com United States 63687 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427 sales@conier.com China 49733 58
career henan chemical co 		+86-0371-86658258 +8613203830695 factory@coreychem.com China 29804 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
Unipharm pharmaceutical industry Co., Ltd 		536-8266195 +8613953676784 lee@unipharm-sd.com China 1202 58
Dayang Chem (Hangzhou) Co.,Ltd. 		+86-0571-88938639 +8617705817739 info@dycnchem.com China 52846 58
CD Chemical Group Limited 		+8615986615575 info@codchem.com China 20342 58

View Lastest Price from 1-Benzyl-4-iodo-1H-pyrazole manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-Benzyl-4-iodo-1H-pyrazole pictures 2020-01-03 1-Benzyl-4-iodo-1H-pyrazole
50877-42-4
 US $6.60 / KG 1KG 97%-99% 1kg -1000kg Career Henan Chemical Co

1-Benzyl-4-iodo-1H-pyrazole Spectrum

1-BENZYL-4-IODO-1H-PYRAZOLE 1H-(N-BENZYL)-4-IODOPYRAZOLE 1-Benzyl-4-iodo-1H-pyraole 1H-pyrazole, 4-iodo-1-(phenylmethyl)- benzyl-4-iodo-1H-pyrazole 4-iodo-1-(phenylmethyl)pyrazole 4-Iodo-1-benzyl-1H-pyrazole, 95% 1-(benzyl)-4-iodo-pyrazole -4-iodo-1H-pyrazoL 1-Benzyl-4-iodo-1H-pyrazole 1-benzyl-4-iodine-1H-pyrazole 50877-42-4 C10H9IN2 Pyrazoles Halogenated Heterocycles Heterocyclic Building Blocks Building Blocks Halides Pyrazoles & Triazoles Halogenated Organohalides Pyrazole Pyrazoles & Triazoles Building Blocks Halogenated Heterocycles Heterocyclic Building Blocks Pyrazoles PyrazolesHeterocyclic Building Blocks