ChemicalBook > CAS DataBase List > 5-(4-CHLOROPHENYL)-1H-TETRAZOLE

5-(4-CHLOROPHENYL)-1H-TETRAZOLE

Product Name
5-(4-CHLOROPHENYL)-1H-TETRAZOLE
CAS No.
16687-61-9
Chemical Name
5-(4-CHLOROPHENYL)-1H-TETRAZOLE
Synonyms
NSC 86301;SALOR-INT L307904-1EA;5-(p-Chlorophenyl)tetrazole;5-(p-Chlorophenyl)-1H-tetrazole;5-(4-CHLOROPHENYL)-1H-TETRAZOLE;5-(4-CHLORO-PHENYL)-2H-TETRAZOLE;2H-Tetrazole, 5-(4-chlorophenyl)-;1H-Tetrazole, 5-(4-chlorophenyl)-;5-(4-CHLOROPHENYL)-1H-TETRAZOLE, 98+%;5-(4-Chlorophenyl)-1H-tetrazole
CBNumber
CB0766412
Molecular Formula
C7H5ClN4
Formula Weight
180.59
MOL File
16687-61-9.mol
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5-(4-CHLOROPHENYL)-1H-TETRAZOLE Property

Melting point:
260-264 °C (Decomposition without melting.)
Boiling point:
356.2±44.0 °C(Predicted)
Density 
1.448±0.06 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
form 
solid
pka
3.95±0.10(Predicted)
BRN 
140053
CAS DataBase Reference
16687-61-9
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Safety

Hazard Codes 
Xn
Risk Statements 
36/37/38-22
Safety Statements 
26-36
WGK Germany 
3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
763527
Product name
5-(4-Chlorophenyl)-1H-tetrazole
Purity
97%
Packaging
1g
Price
$35
Updated
2023/06/20
TCI Chemical
Product number
C4066
Product name
5-(4-Chlorophenyl)-1H-tetrazole
Packaging
1G
Price
$38
Updated
2025/07/31
TCI Chemical
Product number
C4066
Product name
5-(4-Chlorophenyl)-1H-tetrazole
Packaging
5G
Price
$114
Updated
2025/07/31
TRC
Product number
B405218
Product name
5-(4-Chlorophenyl)-1H-tetrazole
Packaging
100mg
Price
$60
Updated
2021/12/16
AK Scientific
Product number
5712AH
Product name
5-(4-Chloro-phenyl)-2H-tetrazole
Packaging
250mg
Price
$39
Updated
2021/12/16
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5-(4-CHLOROPHENYL)-1H-TETRAZOLE Chemical Properties,Usage,Production

Synthesis

623-03-0

16687-61-9

GENERAL METHODS: 5-(4-chlorophenyl)-1H-tetrazole (2c) was synthesized as follows: 4-chlorobenzonitrile (1c, 274 mg, 2 mmol), NaN3 (260 mg, 4 mmol), Sc(OTf)3 (197 mg, 0.4 mmol), and 8 mL of a 3:1 isopropanol-water mixture were added to a 30 mL Pyrex microwave reaction tube , which was sealed. The reaction tube was placed in a Milestone Start Synth microwave reactor and heated at 160°C for 1 h with magnetic stirring. The progress of the reaction was monitored by thin layer chromatography (TLC) using a solvent mixture of ether-hexane (50:50) as the unfolding agent. Upon completion of the reaction, the reaction mixture was diluted with 20 mL of saturated aqueous sodium bicarbonate and extracted with 215 mL of ethyl acetate. The aqueous phase was acidified with concentrated hydrochloric acid to pH ≤ 2 under ice bath cooling, followed by extraction of the precipitate with 315 mL of ethyl acetate. The organic phases were combined, dried with anhydrous sodium sulfate and transferred to a weighed round bottom flask. The organic phase was concentrated by rotary evaporation under reduced pressure at 40°C and then further dried under high vacuum. The product was purified by recrystallization from ethyl acetate and hexane. All reagents were used directly without purification. Nuclear magnetic resonance (NMR) spectra were determined on a 300 MHz (1H) and 75 MHz (13C) NMR instrument.1H NMR spectra were determined in dimethylsulfoxide (DMSO-d6) with DMSO (2.52 ppm) as an internal standard; 13C NMR spectra were determined in DMSO-d6 with DMSO (40.5 ppm) as an internal standard. Infrared (IR) spectra were determined by Fourier transform infrared (FTIR) spectrophotometer. The melting point of the solid product was determined by melting point apparatus.5-(4-Chlorophenyl)-1H-tetrazole (2c) was a white solid with IR (KBr pressed) νmax/cm-1 : 3385 (broad peak), 1645 (mid), 1634 (mid); 1H NMR (DMSO-d6, δ): 11.60 (broad peak, 1H), 8.07 (d, J=8.28 Hz. 2H), 7.70 (d, J=8.25 Hz, 2H); 13C NMR (DMSO-d6, δ): 155.8 (broad peak), 136.9, 130.6, 129.7, 124.1; melting point 250-251°C.

References

[1] Journal of the Brazilian Chemical Society, 2012, vol. 23, # 12, p. 2197 - 2203
[2] Journal of Organic Chemistry, 2012, vol. 77, # 23, p. 10882 - 10890
[3] Tetrahedron Letters, 2014, vol. 55, # 44, p. 6034 - 6038
[4] Asian Journal of Chemistry, 2017, vol. 29, # 4, p. 864 - 866
[5] Chemical Communications, 2010, vol. 46, # 3, p. 448 - 450

5-(4-CHLOROPHENYL)-1H-TETRAZOLE Preparation Products And Raw materials

Raw materials

Preparation Products

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5-(4-CHLOROPHENYL)-1H-TETRAZOLE Suppliers

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16687-61-9, 5-(4-CHLOROPHENYL)-1H-TETRAZOLERelated Search:

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