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ChemicalBook >> CAS DataBase List >> 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene

4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene price.
  • $29 - $1280
  • Product name: 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene
  • CAS: 1622-55-5
  • MF: C13H10OS
  • MW: 214.28
  • EINECS:
  • MDL Number:MFCD00808048
  • Synonyms:9,10-Dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thiophen-4-one;9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]-4-thiophenone;9,10-DIHYDRO-4-H-BENZO{4,5}CYCLOHEPTA-{1,2-B}-4-THIOPHENE;9,10-Dihydro-4H-benzo-[4,5]-cycloepta-[1,2B]-thiophen-4-one;Pizotifen Impurity 1;4H-Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-dihydro-;4,5-dihydrobenzo[1,2]cyclohepta[3,4-b]thiophen-10-one;9,10-Dihydro-4H-benzo[4,5]cyclohepta[b]-thiophen-4-one
Price17 Properties Safety Information Description
17 prices
Selected condition：
Brand
  • A1 Biochem Labs
  • aablocks
  • American Custom Chemicals Corporation
  • Biosynth
  • Matrix Scientific
  • TRC
Package
  • 5MG
  • 500mg
  • 1g
  • 2g
  • 5g
  • 10.00g
  • 10g
  • 25g
  • 50g
  • 100g
  • ManufacturerA1 Biochem Labs
  • Product number6563770
  • Product description4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene 97%
  • Packaging10g
  • Price$800
  • Updated2021-12-16
  • Buy
  • Manufactureraablocks
  • Product numberAA001STA
  • Product description9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophen-4-One 98%
  • Packaging1g
  • Price$29
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001STA
  • Product description9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophen-4-One 98%
  • Packaging5g
  • Price$47
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA001STA
  • Product description9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophen-4-One 98%
  • Packaging25g
  • Price$165
  • Updated2026-05-28
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM1044259
  • Product description4-OXO-9,10-DIHYDRO-4H-BENZO(4,5)-CYCLOHEPTA-(1,2B)THIOPHENE 95.00%
  • Packaging5MG
  • Price$495.63
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21990
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • Packaging25g
  • Price$519.25
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21990
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • Packaging50g
  • Price$649
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21990
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • Packaging10g
  • Price$259.6
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21990
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • Packaging100g
  • Price$844
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21990
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • Packaging5G
  • Price$200
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21990
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • Packaging2g
  • Price$100
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFD21990
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one
  • Packaging1g
  • Price$65
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number121197
  • Product description4-Oxo-9,10-dihydro-4H-benzo-(4,5)-cyclohepta-(1,2b)thiophene 97%
  • Packaging10g
  • Price$1280
  • Updated2021-12-16
  • Buy
  • ManufacturerMatrix Scientific
  • Product number121197
  • Product description4-Oxo-9,10-dihydro-4H-benzo-(4,5)-cyclohepta-(1,2b)thiophene
  • Packaging10.00g
  • Price$1280
  • Updated2026-05-18
  • Buy
  • ManufacturerTRC
  • Product numberTRC-D448480-25G
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90%)
  • Packaging25g
  • Price$300
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberD448480
  • Product description9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one(90%)
  • Packaging25g
  • Price$220
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
A1 Biochem Labs 6563770 4-Oxo-9,10-dihydro-4H-benzo(4,5)-cyclohepta-(1,2b)thiophene 97% 10g $800 2021-12-16 Buy
aablocks AA001STA 9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophen-4-One 98% 1g $29 2026-05-28 Buy
aablocks AA001STA 9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophen-4-One 98% 5g $47 2026-05-28 Buy
aablocks AA001STA 9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophen-4-One 98% 25g $165 2026-05-28 Buy
American Custom Chemicals Corporation CHM1044259 4-OXO-9,10-DIHYDRO-4H-BENZO(4,5)-CYCLOHEPTA-(1,2B)THIOPHENE 95.00% 5MG $495.63 2021-12-16 Buy
Biosynth FD21990 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 25g $519.25 2026-06-04 Buy
Biosynth FD21990 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 50g $649 2026-06-04 Buy
Biosynth FD21990 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 10g $259.6 2026-06-04 Buy
Biosynth FD21990 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 100g $844 2026-06-04 Buy
Biosynth FD21990 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 5G $200 2021-12-16 Buy
Biosynth FD21990 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 2g $100 2021-12-16 Buy
Biosynth FD21990 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one 1g $65 2021-12-16 Buy
Matrix Scientific 121197 4-Oxo-9,10-dihydro-4H-benzo-(4,5)-cyclohepta-(1,2b)thiophene 97% 10g $1280 2021-12-16 Buy
Matrix Scientific 121197 4-Oxo-9,10-dihydro-4H-benzo-(4,5)-cyclohepta-(1,2b)thiophene 10.00g $1280 2026-05-18 Buy
TRC TRC-D448480-25G 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one (90%) 25g $300 2026-06-03 Buy
TRC D448480 9,10-Dihydro-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one(90%) 25g $220 2021-12-16 Buy
Next Last

Properties

Boiling point :125-140 °C(Press: 0.05 Torr)
Density :1.262±0.06 g/cm3(Predicted)
storage temp. :Refrigerator
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Brown Semi-Solid

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
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
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Intermediate in the preparation of Ketotifen.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Nanjing Chemlin Chemical Co., Ltd Chemsky（shanghai）International Co.,Ltd. Shanghai Topbiochem Technology Co., Ltd Shanghai T&W Pharmaceutical Co., Ltd. SHANGHAI YINGRUI CHEMICAL TECHNOLOGY CO.,LTD. Bide Pharmatech Ltd. Quality Control Solutions Ltd. Shanghai YuLue Chemical Co., Ltd. Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.