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  4. Compounds by Functional Group and Structure
  5. Cyclic Compounds
  6. Heterocyclic Compounds
  7. 5-membered Heterocycles
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5-membered Heterocycles

5-membered heterocycles are organic compounds formed by a five-membered ring containing one or more heteroatoms such as nitrogen, oxygen, or sulfur. These compounds often result from the fusion of a benzene ring and a 5-membered heterocycle, creating diverse structures with unique chemical properties. 5-membered heterocycles are widely used in pharmaceuticals, agrochemicals, and materials science due to their reactivity and versatility. At CymitQuimica, we offer a comprehensive selection of high-quality 5-membered heterocycles to support your research and industrial applications.

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BrandProduct dataPurityPrice rangeEstimated delivery
TCI logo
7-Bromooxindole
REF: 3B-B5097CAS: 320734-35-8 		>98.0%(GC)45.00 €~170.00 €Wed 05 Feb 25
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Fluvastatin Sodium Salt
REF: 3B-F0820CAS:
>98.0%(HPLC)(N)75.00 €~256.00 €Wed 05 Feb 25
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3-Chlorobenzo[b]thiophene-2-carbonyl Chloride
REF: 3B-C2286CAS: 21815-91-8 		>97.0%(GC)(T)62.00 €Wed 05 Feb 25
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5-Chloro-1-methylimidazole
REF: 3B-C2317CAS: 872-49-1 		>98.0%(GC)(T)80.00 €~222.00 €Wed 05 Feb 25
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Ethyl 3-Thiophenecarboxylate
REF: 3B-E1082CAS: 5751-80-4 		>95.0%(GC)30.00 €~106.00 €Wed 05 Feb 25
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1-(4-Cyanophenyl)imidazole
REF: 3B-C2045CAS: 25372-03-6 		>98.0%(GC)168.00 €Wed 05 Feb 25
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(S)-(-)-SEGPHOS®
REF: 3B-S0929CAS: 210169-54-3 		>99.0%(HPLC)40.00 €~126.00 €Wed 05 Feb 25
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Thieno[3,2-b]thiophene-2-carbonitrile
REF: 3B-T3221CAS: 40985-58-8 		>98.0%(GC)84.00 €~274.00 €Wed 05 Feb 25
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5-Bromo-2,2-difluoro-1,3-benzodioxole
REF: 3B-B3781CAS: 33070-32-5 		>97.0%(GC)57.00 €~160.00 €Wed 05 Feb 25
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Benzoxazole
REF: 3B-B0095CAS: 273-53-0 		>98.0%(GC)77.00 €Wed 05 Feb 25
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4-Methyl-1-phenyl-3-pyrazolidone
REF: 3B-M1667CAS: 2654-57-1 		>98.0%(T)(HPLC)77.00 €Wed 05 Feb 25
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1-tert-Butoxycarbonylpyrrolidine
REF: 3B-B3971CAS: 86953-79-9 		>98.0%(GC)36.00 €~113.00 €Wed 05 Feb 25
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Cefpirome Sulfate
REF: 3B-C3007CAS:
>95.0%(HPLC)(N)70.00 €~222.00 €Wed 05 Feb 25
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Mizoribine
REF: 3B-M2399CAS: 50924-49-7 		>98.0%(HPLC)74.00 €~221.00 €Wed 05 Feb 25
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2-Hydroxybenzimidazole
REF: 3B-H0739CAS: 615-16-7 		>98.0%(N)64.00 €Wed 05 Feb 25
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9H-Pyrido[3,4-b]indole
REF: 3B-P1121CAS: 244-63-3 		>98.0%(GC)(T)43.00 €Wed 05 Feb 25
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Carbazole-9-carbonyl Chloride
REF: 3B-C1031CAS: 73500-82-0 		>98.0%(GC)(T)108.00 €~1,016.00 €Wed 05 Feb 25
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3-Amino-1-methylpyrazole
REF: 3B-A2277CAS: 1904-31-0 		>98.0%(GC)(T)39.00 €~97.00 €Wed 05 Feb 25
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Cilostazol
REF: 3B-C2587CAS: 73963-72-1 		>98.0%(HPLC)47.00 €~154.00 €Wed 05 Feb 25
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1-Methyl-3-propylimidazolium Tetrafluoroborate
REF: 3B-M3036CAS: 244193-48-4 		>98.0%(HPLC)(N)34.00 €~81.00 €Wed 05 Feb 25
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7-Bromooxindole
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7-Bromooxindole

CAS:320734-35-8
Formula:
C8H6BrNO
Purity:
>98.0%(GC)
Color and Shape:
White to Light yellow to Light orange powder to crystal
Molecular weight:
212.05

Ref: 3B-B5097

1g170.00 €
200mg45.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Fluvastatin Sodium Salt
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Fluvastatin Sodium Salt

CAS:93957-54-1 93957-55-2
Formula:
C24H25FNNaO4
Purity:
>98.0%(HPLC)(N)
Color and Shape:
Light orange to Yellow to Green powder to crystal
Molecular weight:
433.46

Ref: 3B-F0820

1g75.00 €
5g256.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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3-Chlorobenzo[b]thiophene-2-carbonyl Chloride
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3-Chlorobenzo[b]thiophene-2-carbonyl Chloride

CAS:21815-91-8
Formula:
C9H4Cl2OS
Purity:
>97.0%(GC)(T)
Color and Shape:
White to Light yellow powder to crystal
Molecular weight:
231.09

Ref: 3B-C2286

1g62.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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5-Chloro-1-methylimidazole
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5-Chloro-1-methylimidazole

CAS:872-49-1
Formula:
C4H5ClN2
Purity:
>98.0%(GC)(T)
Color and Shape:
Colorless to Light orange to Yellow clear liquid
Molecular weight:
116.55

Ref: 3B-C2317

5g80.00 €
25g222.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Ethyl 3-Thiophenecarboxylate
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Ethyl 3-Thiophenecarboxylate

CAS:5751-80-4
Formula:
C7H8O2S
Purity:
>95.0%(GC)
Color and Shape:
Colorless to Light yellow to Light orange clear liquid
Molecular weight:
156.20

Ref: 3B-E1082

1g30.00 €
5g106.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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1-(4-Cyanophenyl)imidazole
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1-(4-Cyanophenyl)imidazole

CAS:25372-03-6
Formula:
C10H7N3
Purity:
>98.0%(GC)
Color and Shape:
White to Light yellow to Light orange powder to crystal
Molecular weight:
169.19

Ref: 3B-C2045

5g168.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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(S)-(-)-SEGPHOS®
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(S)-(-)-SEGPHOS®

CAS:210169-54-3
Formula:
C38H28O4P2
Purity:
>99.0%(HPLC)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
610.59

Ref: 3B-S0929

1g126.00 €
200mg40.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Thieno[3,2-b]thiophene-2-carbonitrile
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Thieno[3,2-b]thiophene-2-carbonitrile

CAS:40985-58-8
Formula:
C7H3NS2
Purity:
>98.0%(GC)
Color and Shape:
White to Light yellow powder to crystal
Molecular weight:
165.23

Ref: 3B-T3221

1g274.00 €
200mg84.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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5-Bromo-2,2-difluoro-1,3-benzodioxole
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5-Bromo-2,2-difluoro-1,3-benzodioxole

CAS:33070-32-5
Formula:
C7H3BrF2O2
Purity:
>97.0%(GC)
Color and Shape:
Colorless to Almost colorless clear liquid
Molecular weight:
237.00

Ref: 3B-B3781

5g57.00 €
25g160.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Benzoxazole
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Benzoxazole

CAS:273-53-0
Formula:
C7H5NO
Purity:
>98.0%(GC)
Color and Shape:
White or Colorless to Light orange to Yellow powder to lump to clear liquid
Molecular weight:
119.12

Ref: 3B-B0095

25g77.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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4-Methyl-1-phenyl-3-pyrazolidone
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4-Methyl-1-phenyl-3-pyrazolidone

CAS:2654-57-1
Formula:
C10H12N2O
Purity:
>98.0%(T)(HPLC)
Color and Shape:
White to Light yellow powder to crystal
Molecular weight:
176.22

Ref: 3B-M1667

25g77.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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1-tert-Butoxycarbonylpyrrolidine
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1-tert-Butoxycarbonylpyrrolidine

CAS:86953-79-9
Formula:
C9H17NO2
Purity:
>98.0%(GC)
Color and Shape:
Colorless to Almost colorless clear liquid
Molecular weight:
171.24

Ref: 3B-B3971

5g36.00 €
25g113.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Cefpirome Sulfate
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Cefpirome Sulfate

CAS:84957-29-9 98753-19-6
Formula:
C22H22N6O5S2·H2SO4
Purity:
>95.0%(HPLC)(N)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
612.65

Ref: 3B-C3007

1g70.00 €
5g222.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Mizoribine
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Mizoribine

CAS:50924-49-7
Formula:
C9H13N3O6
Purity:
>98.0%(HPLC)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
259.22

Ref: 3B-M2399

50mg74.00 €
250mg221.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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2-Hydroxybenzimidazole
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2-Hydroxybenzimidazole

CAS:615-16-7
Formula:
C7H6N2O
Purity:
>98.0%(N)
Color and Shape:
Very Pale Yellow - Pale Reddish Yellow Solid
Molecular weight:
134.14

Ref: 3B-H0739

25g64.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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9H-Pyrido[3,4-b]indole
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9H-Pyrido[3,4-b]indole

CAS:244-63-3
Formula:
C11H8N2
Purity:
>98.0%(GC)(T)
Color and Shape:
White to Light yellow to Light orange powder to crystal
Molecular weight:
168.20

Ref: 3B-P1121

100mg43.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Carbazole-9-carbonyl Chloride
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Carbazole-9-carbonyl Chloride

CAS:73500-82-0
Formula:
C13H8ClNO
Purity:
>98.0%(GC)(T)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
229.66

Ref: 3B-C1031

1g108.00 €
5g327.00 €
25g1,016.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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3-Amino-1-methylpyrazole
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3-Amino-1-methylpyrazole

CAS:1904-31-0
Formula:
C4H7N3
Purity:
>98.0%(GC)(T)
Color and Shape:
Light orange to Yellow to Green clear liquid
Molecular weight:
97.12

Ref: 3B-A2277

1g39.00 €
5g97.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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Cilostazol
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Cilostazol

CAS:73963-72-1
Formula:
C20H27N5O2
Purity:
>98.0%(HPLC)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
369.47

Ref: 3B-C2587

1g47.00 €
5g154.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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1-Methyl-3-propylimidazolium Tetrafluoroborate
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1-Methyl-3-propylimidazolium Tetrafluoroborate

CAS:244193-48-4
Formula:
C7H13BF4N2
Purity:
>98.0%(HPLC)(N)
Color and Shape:
White to Yellow to Green clear liquid
Molecular weight:
212.00

Ref: 3B-M3036

5g34.00 €
25g81.00 €
Estimated delivery in United States, on Wednesday 5 Feb 2025
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