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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Limonene, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Limonene 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 Limonene-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.

Limonene Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+)-Limonene 2,3,3,5,5,-d5 (Major) Stable Isotopes CS-T-102869 2514937-17-6 Enquire
(±)-Limonene-d5 Stable Isotopes CS-T-103467 138-86-3(Unlabelled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
D-Limonene (Orange Oil) API CS-DK-00067 8028-48-6 Enquire
Limonene API CS-O-11177 138-86-3 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+)-Limonene Impurity CS-T-31081 5989-27-5 In Stock
(-)-Limonene Impurity CS-T-31082 5989-54-8 Enquire
(R)-Limonene 1,2-epoxide (Mixture of Diastereomers) Impurity CS-T-31083 203719-54-4 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Pseudolimonene Fine Chemicals CS-O-57800 499-97-8 Enquire
Limonene oxide, trans-(-)- Fine Chemicals CS-ZH-30284 42477-94-1 Enquire


Polymers

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Poly(limonene oxide) Polymers CS-PM-00182 Not Available Enquire
Poly(limonene oxide), a,w-bis(hydroxy)-terminated Polymers CS-PM-00183 Not Available Enquire
Poly(limonene oxide), w-hydroxy-terminated Polymers CS-PM-00184 Not Available Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
cis-​(R)​-​limonene oxide Building Blocks CS-O-44259 4680-24-4 Enquire