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ChemicalBook >> CAS DataBase List >> Cyclopentanone p-Toluenesulfonylhydrazone

Cyclopentanone p-Toluenesulfonylhydrazone

Cyclopentanone p-Toluenesulfonylhydrazone price.
  • $11 - $606
  • Product name: Cyclopentanone p-Toluenesulfonylhydrazone
  • CAS: 17529-98-5
  • MF: C12H16N2O2S
  • MW: 252.33
  • EINECS:
  • MDL Number:MFCD00445063
  • Synonyms:Cyclopentanone p-Toluenesulfonylhydrazone;Cyclopentanone Tosylhydrazone;Cyclopentanone p-Toluenesulfonylhydrazone;N-Cyclopentylidene-4-Methylbenzenesulfonohydrazide(WXC01185);Cyclopentanone p-Toluenesulfonylhydrazone >Benzenesulfonic acid, 4-methyl-, 2-cyclopentylidenehydrazide;2-Cyclopentylidene-1-tosylhydrazine;N-(cyclopentylideneamino)-4-methylbenzenesulfonamide
17 prices
Selected condition:
Brand
  • aablocks
  • AK Scientific
  • American Custom Chemicals Corporation
  • Arctom
  • Aronis compounds
  • Crysdot
  • TCI Chemical
  • TRC
Package
  • 5MG
  • 20mg
  • 100mg
  • 1g
  • 5g
  • 25g
  • 100g
  • Manufactureraablocks
  • Product numberAA0020SW
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide ≥98%
  • Packaging1g
  • Price$11
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0020SW
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide ≥98%
  • Packaging5g
  • Price$43
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0020SW
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 97%
  • Packaging25g
  • Price$142
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0020SW
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 97%
  • Packaging100g
  • Price$542
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product number7532AL
  • Product descriptionCyclopentanone p-Toluenesulfonylhydrazone
  • Packaging100mg
  • Price$39
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number7532AL
  • Product descriptionCyclopentanone p-Toluenesulfonylhydrazone
  • Packaging5g
  • Price$159
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product number7532AL
  • Product descriptionCyclopentanone p-Toluenesulfonylhydrazone
  • Packaging1g
  • Price$79
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM1013574
  • Product description2-CYCLOPENTYLIDENE-1-TOSYLHYDRAZINE 95.00%
  • Packaging5MG
  • Price$500.41
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberCS-0036681
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98%
  • Packaging25g
  • Price$91
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberCS-0036681
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98%
  • Packaging25g
  • Price$91
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-0036681
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98%
  • Packaging100g
  • Price$361
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberCS-0036681
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98%
  • Packaging100g
  • Price$361
  • Updated2026-05-26
  • Buy
  • ManufacturerAronis compounds
  • Product numberc07300
  • Product descriptionN'-cyclopentylidene-4-methylbenzenesulfonohydrazide
  • Packaging20mg
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD67000038
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 95+%
  • Packaging100g
  • Price$606
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD67000038
  • Product descriptionN'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 95+%
  • Packaging100g
  • Price$606
  • Updated2026-05-27
  • Buy
  • ManufacturerTCI Chemical
  • Product numberC2296
  • Product descriptionCyclopentanone p-Toluenesulfonylhydrazone >98.0%(HPLC)(T)
  • Packaging5g
  • Price$83
  • Updated2023-06-20
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0020SW N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide ≥98% 1g $11 2026-05-28 Buy
aablocks AA0020SW N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide ≥98% 5g $43 2026-05-28 Buy
aablocks AA0020SW N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 97% 25g $142 2026-05-28 Buy
aablocks AA0020SW N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 97% 100g $542 2026-05-28 Buy
AK Scientific 7532AL Cyclopentanone p-Toluenesulfonylhydrazone 100mg $39 2021-12-16 Buy
AK Scientific 7532AL Cyclopentanone p-Toluenesulfonylhydrazone 5g $159 2021-12-16 Buy
AK Scientific 7532AL Cyclopentanone p-Toluenesulfonylhydrazone 1g $79 2021-12-16 Buy
American Custom Chemicals Corporation CHM1013574 2-CYCLOPENTYLIDENE-1-TOSYLHYDRAZINE 95.00% 5MG $500.41 2021-12-16 Buy
Arctom CS-0036681 N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98% 25g $91 2026-05-25 Buy
Arctom CS-0036681 N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98% 25g $91 2026-05-26 Buy
Arctom CS-0036681 N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98% 100g $361 2026-05-25 Buy
Arctom CS-0036681 N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide >=98% 100g $361 2026-05-26 Buy
Aronis compounds c07300 N'-cyclopentylidene-4-methylbenzenesulfonohydrazide 20mg $30 2021-12-16 Buy
Crysdot CD67000038 N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 95+% 100g $606 2021-12-16 Buy
Crysdot CD67000038 N'-Cyclopentylidene-4-methylbenzenesulfonohydrazide 95+% 100g $606 2026-05-27 Buy
TCI Chemical C2296 Cyclopentanone p-Toluenesulfonylhydrazone >98.0%(HPLC)(T) 5g $83 2023-06-20 Buy

Properties

Melting point :184°C(dec.)(lit.)
Boiling point :401.7±38.0 °C(Predicted)
Density :1.27±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
form :powder to crystal
pka :10.48±0.20(Predicted)
color :White to Almost white

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Description

Cyclopentanone Tosylhydrazone is used as a reagent in the convenient synthesis of cycloalkenyl boronic acid pinacol esters which are useful synthetic intermediates that are usually made using more expensive methods like transition metal-catalyzed borylation of alkenyl halides or triflates.

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