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  5. Cyclic Compounds
  6. 5-membered Rings
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5-membered Rings

5-membered rings are a group of cyclic organic compounds that contain a five-membered ring with only carbon atoms, also known as cyclopentanes. These compounds are fundamental in organic chemistry due to their stability and presence in many natural products and pharmaceuticals. At CymitQuimica, we offer a variety of high-quality 5-membered ring compounds for your research and industrial needs.

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Subcategories of "5-membered Rings"

5-membered Heterocycles

Cyclopentadiene

Cyclopentane

Cyclopentene

Products of "5-membered Rings"

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BrandProduct dataPurityPrice rangeEstimated delivery
TCI logo
Tetraphenylcyclopentadienone
REF: 3B-T1062CAS: 479-33-4 		>98.0%(HPLC)35.00 €~118.00 €Tue 01 Apr 25
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6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-one
REF: 3B-D5069CAS: 196597-78-1 		>98.0%(GC)58.00 €~207.00 €Tue 01 Apr 25
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1-(tert-Butoxycarbonylamino)cyclopentanecarboxylic Acid
REF: 3B-B3831CAS: 35264-09-6 		>98.0%(GC)(T)182.00 €Tue 01 Apr 25
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Cyclopentene
REF: 3B-C0511CAS: 142-29-0 		>98.0%(GC)34.00 €~188.00 €Tue 01 Apr 25
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9,9-Bis[4-(1-pyrenyl)phenyl]fluorene
REF: 3B-B4980CAS: 1174006-47-3 		>96.0%(HPLC)115.00 €~384.00 €Tue 01 Apr 25
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1,2,3,4-Cyclopentanetetracarboxylic Dianhydride (purified by sublimation)
REF: 3B-C2920CAS: 6053-68-5 		>99.0%(T)60.00 €~158.00 €Tue 01 Apr 25
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2,7-Dibromo-9-fluorenone
REF: 3B-D3557CAS: 14348-75-5 		>98.0%(GC)42.00 €~109.00 €Tue 01 Apr 25
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2,7-Dinitro-9-fluorenone
REF: 3B-D1396CAS: 31551-45-8 		>98.0%(HPLC)(N)105.00 €~649.00 €Tue 01 Apr 25
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2,7-Di(1-pyrenyl)-9,9'-spirobi[9H-fluorene]
REF: 3B-D4932CAS: 886456-80-0 		>98.0%(HPLC)84.00 €~285.00 €Tue 01 Apr 25
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Cyclopentylmethanamine
REF: 3B-C3933CAS: 6053-81-2 		>95.0%(GC)(T)59.00 €~133.00 €Tue 01 Apr 25
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9-Fluorenylmethanol
REF: 3B-F0200CAS: 24324-17-2 		>98.0%(GC)31.00 €~84.00 €Tue 01 Apr 25
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2-(9,9'-Spirobi[fluoren]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
REF: 3B-P2562CAS: 1346007-05-3 		>98.0%(T)(HPLC)93.00 €~289.00 €Tue 01 Apr 25
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2-Methyl-2,3-dihydro-1H-inden-1-one
REF: 3B-M3681CAS: 17496-14-9 		>95.0%(GC)78.00 €~165.00 €Tue 01 Apr 25
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2-Bromoindene
REF: 3B-B3163CAS: 10485-09-3 		>98.0%(GC)80.00 €~267.00 €Tue 01 Apr 25
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Raptinal
REF: 3B-R0199CAS: 1176-09-6 		>96.0%(HPLC)136.00 €~398.00 €Tue 01 Apr 25
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5-Hydroxy-1-indanone
REF: 3B-H1051CAS: 3470-49-3 		>98.0%(GC)(T)110.00 €~334.00 €Tue 01 Apr 25
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Diethyl 2,4-Dimethyl-5-[(triisopropylsilyl)methylene]-1,3-cyclopentadiene-1,3-dicarboxylate (cis- and trans- mixture)
REF: 3B-D5585CAS: 1417407-35-2 		>93.0%(HPLC)147.00 €Tue 01 Apr 25
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3-Oxocyclopentanecarboxylic Acid
REF: 3B-O0416CAS: 98-78-2 		>98.0%(GC)(T)113.00 €Tue 01 Apr 25
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Cyclopent-3-en-1-ol
REF: 3B-C3992CAS: 14320-38-8 		>95.0%(GC)105.00 €Tue 01 Apr 25
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3-Ethyl-2-hydroxy-2-cyclopenten-1-one
REF: 3B-E0792CAS: 21835-01-8 		>97.0%(GC)40.00 €~117.00 €Tue 01 Apr 25
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Tetraphenylcyclopentadienone
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Tetraphenylcyclopentadienone

CAS:479-33-4
Formula:
C29H20O
Purity:
>98.0%(HPLC)
Color and Shape:
Black powder to crystal
Molecular weight:
384.48

Ref: 3B-T1062

5g35.00 €
25g118.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-one
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6,7-Dihydro-1H-indeno[5,4-b]furan-8(2H)-one

CAS:196597-78-1
Formula:
C11H10O2
Purity:
>98.0%(GC)
Color and Shape:
White to Light yellow powder to crystal
Molecular weight:
174.20

Ref: 3B-D5069

1g207.00 €
200mg58.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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1-(tert-Butoxycarbonylamino)cyclopentanecarboxylic Acid
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1-(tert-Butoxycarbonylamino)cyclopentanecarboxylic Acid

CAS:35264-09-6
Formula:
C11H19NO4
Purity:
>98.0%(GC)(T)
Color and Shape:
White to Almost white powder to crystaline
Molecular weight:
229.28

Ref: 3B-B3831

5g182.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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Cyclopentene
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Cyclopentene

CAS:142-29-0
Formula:
C5H8
Purity:
>98.0%(GC)
Color and Shape:
Colorless to Almost colorless clear liquid
Molecular weight:
68.12

Ref: 3B-C0511

25ml34.00 €
100ml71.00 €
500ml188.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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9,9-Bis[4-(1-pyrenyl)phenyl]fluorene
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9,9-Bis[4-(1-pyrenyl)phenyl]fluorene

CAS:1174006-47-3
Formula:
C57H34
Purity:
>96.0%(HPLC)
Color and Shape:
White to Yellow to Green powder to crystal
Molecular weight:
718.90

Ref: 3B-B4980

1g384.00 €
200mg115.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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1,2,3,4-Cyclopentanetetracarboxylic Dianhydride (purified by sublimation)
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1,2,3,4-Cyclopentanetetracarboxylic Dianhydride (purified by sublimation)

CAS:6053-68-5
Formula:
C9H6O6
Purity:
>99.0%(T)
Color and Shape:
White powder to crystal
Molecular weight:
210.14

Ref: 3B-C2920

1g60.00 €
5g158.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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2,7-Dibromo-9-fluorenone
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2,7-Dibromo-9-fluorenone

CAS:14348-75-5
Formula:
C13H6Br2O
Purity:
>98.0%(GC)
Color and Shape:
Light orange to Yellow to Green powder to crystal
Molecular weight:
338.00

Ref: 3B-D3557

5g42.00 €
25g109.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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2,7-Dinitro-9-fluorenone
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2,7-Dinitro-9-fluorenone

CAS:31551-45-8
Formula:
C13H6N2O5
Purity:
>98.0%(HPLC)(N)
Color and Shape:
Light yellow to Yellow to Orange powder to crystal
Molecular weight:
270.20

Ref: 3B-D1396

25g105.00 €
250g649.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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2,7-Di(1-pyrenyl)-9,9'-spirobi[9H-fluorene]
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2,7-Di(1-pyrenyl)-9,9'-spirobi[9H-fluorene]

CAS:886456-80-0
Formula:
C57H32
Purity:
>98.0%(HPLC)
Color and Shape:
Light yellow to Brown powder to crystal
Molecular weight:
716.88

Ref: 3B-D4932

1g285.00 €
200mg84.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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Cyclopentylmethanamine
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Cyclopentylmethanamine

CAS:6053-81-2
Formula:
C6H13N
Purity:
>95.0%(GC)(T)
Color and Shape:
Colorless to Light yellow clear liquid
Molecular weight:
99.18

Ref: 3B-C3933

1g133.00 €
200mg59.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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9-Fluorenylmethanol
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9-Fluorenylmethanol

CAS:24324-17-2
Formula:
C14H12O
Purity:
>98.0%(GC)
Color and Shape:
White to Orange to Green powder to crystal
Molecular weight:
196.25

Ref: 3B-F0200

5g31.00 €
25g84.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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2-(9,9'-Spirobi[fluoren]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
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2-(9,9'-Spirobi[fluoren]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

CAS:1346007-05-3
Formula:
C31H27BO2
Purity:
>98.0%(T)(HPLC)
Color and Shape:
White to Light yellow powder to crystal
Molecular weight:
442.37

Ref: 3B-P2562

1g289.00 €
200mg93.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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2-Methyl-2,3-dihydro-1H-inden-1-one
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2-Methyl-2,3-dihydro-1H-inden-1-one

CAS:17496-14-9
Formula:
C10H10O
Purity:
>95.0%(GC)
Color and Shape:
Colorless to Light yellow clear liquid
Molecular weight:
146.19

Ref: 3B-M3681

1g78.00 €
5g165.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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2-Bromoindene
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2-Bromoindene

CAS:10485-09-3
Formula:
C9H7Br
Purity:
>98.0%(GC)
Color and Shape:
White to Light yellow to Light orange powder to crystal
Molecular weight:
195.06

Ref: 3B-B3163

5g80.00 €
25g267.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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Raptinal
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Raptinal

CAS:1176-09-6
Formula:
C28H18O2
Purity:
>96.0%(HPLC)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
386.45

Ref: 3B-R0199

25mg136.00 €
100mg398.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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5-Hydroxy-1-indanone
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5-Hydroxy-1-indanone

CAS:3470-49-3
Formula:
C9H8O2
Purity:
>98.0%(GC)(T)
Color and Shape:
White to Light yellow to Light orange powder to crystal
Molecular weight:
148.16

Ref: 3B-H1051

5g110.00 €
25g334.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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Diethyl 2,4-Dimethyl-5-[(triisopropylsilyl)methylene]-1,3-cyclopentadiene-1,3-dicarboxylate (cis- …
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Diethyl 2,4-Dimethyl-5-[(triisopropylsilyl)methylene]-1,3-cyclopentadiene-1,3-dicarboxylate (cis- and trans- mixture)

CAS:1417407-35-2
Formula:
C23H38O4Si
Purity:
>93.0%(HPLC)
Color and Shape:
Light yellow to Brown clear liquid
Molecular weight:
406.64

Ref: 3B-D5585

1g147.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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3-Oxocyclopentanecarboxylic Acid
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3-Oxocyclopentanecarboxylic Acid

CAS:98-78-2
Formula:
C6H8O3
Purity:
>98.0%(GC)(T)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
128.13

Ref: 3B-O0416

1g113.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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Cyclopent-3-en-1-ol
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Cyclopent-3-en-1-ol

CAS:14320-38-8
Formula:
C5H8O
Purity:
>95.0%(GC)
Color and Shape:
Colorless to Light yellow clear liquid
Molecular weight:
84.12

Ref: 3B-C3992

5g105.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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3-Ethyl-2-hydroxy-2-cyclopenten-1-one
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3-Ethyl-2-hydroxy-2-cyclopenten-1-one

CAS:21835-01-8
Formula:
C7H10O2
Purity:
>97.0%(GC)
Color and Shape:
White to Orange to Green powder to crystal
Molecular weight:
126.16

Ref: 3B-E0792

5g40.00 €
25g117.00 €
Estimated delivery in United States, on Tuesday 1 Apr 2025
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