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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Cyclopentadiene, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Cyclopentadiene impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Cyclopentadiene-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Cyclopentadiene Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dicyclopentadiene D12 Stable Isotopes CS-O-35613 77-73-6 (Unlabeled) Enquire
Perchlorocyclopentadiene 13C5 Stable Isotopes CS-T-60272 475274-93-2 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyclopentadiene-Menadione Cyclo adduct Impurities CS-O-56704 2457204-51-0 Enquire
Cyclopentadiene-menadione Cycloadduct Impurities CS-EO-00565 Not Available Enquire
Dicyclopentadiene dioxide Impurities CS-CF-00016 81-21-0 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,2,3,4,5-Pentaphenyl-1,3-cyclopentadiene Intermediates CS-DC-00287 2519-10-0 Enquire
1,2,3,4-Tetramethyl-1,3-cyclopentadiene Intermediates CS-O-43955 4249-10-9 Enquire
1,2,3,4-Tetraphenyl-1,3-cyclopentadiene Intermediates CS-H-00012 15570-45-3 Enquire
Dicyclopentadiene Intermediates CS-T-17881 77-73-6 Enquire
Endo-Tetrahydrodicyclopentadiene Intermediates CS-DE-01676 2825-83-4 Enquire
Exo-dicyclopentadiene Intermediates CS-ED-25035 933-60-8 Enquire
Exo-Tetrahydrodicyclopentadiene Intermediates CS-DE-01677 2825-82-3 Enquire
Pentamethylcyclopentadiene Intermediates CS-DC-00286 4045-44-7 Enquire
Trimethylsilylpentamethylcyclopentadiene Intermediates CS-DC-00412 87778-95-8 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Ethylcyclopentadiene Fine Chemicals CS-O-51897 22516-11-6 Enquire
cyclopentadiene Fine Chemicals CS-O-14668 542-92-7 Enquire


Pesticide Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Perchlorocyclopentadiene Pesticide Standards CS-T-39057 77-47-4 Enquire