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

Curcumin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2E)-Demethoxy Curcumin-d7 Stable Isotopes CS-T-95461 22608-11-3(Unlabelled) Enquire
(E,E)-Bisdemethoxycurcumin-d8 Stable Isotopes CS-T-95495 2470233-08-8 In Stock
4-(N,N-Diethylaminocarbonyl)methyl-4,4'4,''-Trimethylcurcumi... Stable Isotopes CS-F-00259 2673270-28-3 Enquire
4-(N,N-Dimethylaminocarbonyl)methyl-4,4',4-Trimethylcurcumin... Stable Isotopes CS-F-00202 Not Available Enquire
4',4-O,O-Dimethylcurcumin-D6 Stable Isotopes CS-F-00201 160096-59-3 (Unlabelled) Enquire
Bisdemethoxycurcumin O-Glucuronide-d8 Stable Isotopes CS-O-60668 ---- Enquire
Bisdemethoxycurcumin o-sulfate-d8 sodium Stable Isotopes CS-O-60666 ---- Enquire
Curcumin Sulfate-d6 Tetrabutylammonium Salt Stable Isotopes CS-T-100949 Not Available Enquire
Curcumin sulfate-D6 triethylamine salt Stable Isotopes CS-O-52501 339286-19-0 (Unlabelled) Enquire
Curcumin sulfate-D6 triethylamine Sodium salt Stable Isotopes CS-O-52502 339286-19-0 (Unlabelled) Enquire
Curcumin β-D-Glucuronide Triacetate Methyl Ester-d3 Stable Isotopes CS-T-98479 Not Available Enquire
Curcumin o-glucuronide-d6 Stable Isotopes CS-O-60665 227466-72-0 (Unlabeled) Enquire
Curcumin o-sulfate-d6 Sodium Stable Isotopes CS-O-60667 ---- Enquire
Curcumin-d3 Stable Isotopes CS-O-03257 458-37-7(Unlabeled) Enquire
Demethoxy Curcumin-d4 Stable Isotopes CS-O-47494 2773332-01-5 In Stock
Demethoxycurcumin O-Glucuronide-d4 Stable Isotopes CS-O-60673 ---- Enquire
Demethoxycurcumin o-sulfate-d4 sodium Stable Isotopes CS-O-60671 ---- Enquire
Di-(tert-Butyl-dimethylsilyl) Curcumin-d6 Stable Isotopes CS-T-101088 Not Available Enquire
Didemethyl Curcumin-d6 Stable Isotopes CS-T-103903 60831-46-1(unlabelled) Enquire
Di-O-cysteinyl-glycinoyl Curcumin-d6 Stable Isotopes CS-T-96971 Not Available Enquire
Di-O-glycinoylcurcumin-d6 Dihydrochloride Stable Isotopes CS-T-101077 Not Available Enquire
Hexahydrocurcumin-d6 Stable Isotopes CS-T-102687 36062-05-2(Unlabelled) Enquire
O-tert-Butyl-dimethylsilyl Curcumin-d6 Stable Isotopes CS-T-101758 2734308-81-5 Enquire
O-tert-Butyl-dimethylsilyl O'-Sodium-sulfonate Curcumin-d6 Stable Isotopes CS-T-101738 2734371-92-5 Enquire
Sodium Curcumin β-D-Glucuronide-d3 Stable Isotopes CS-T-94851 227466-72-0 (unlabled) Enquire
Tetrahydro Bis Demethoxy Curcumin-d8 Stable Isotopes CS-O-60310 ---- Enquire
Tetrahydro BisDemethoxycurcumin o-glucuronide-d8 Stable Isotopes CS-O-60677 ---- Enquire
Tetrahydro BisDemethoxycurcumin O-Sulfate-d8 Sodium Stable Isotopes CS-O-60674 ---- Enquire
Tetrahydro Demethoxy curcumin-d7 Stable Isotopes CS-O-60309 ---- Enquire
Tetrahydro Demethoxycurcumin O-Glucuronide-d4 Stable Isotopes CS-O-60685 ---- Enquire
Tetrahydro Demethoxycurcumin o-sulfate-d4 Sodium Stable Isotopes CS-O-60683 ---- Enquire
Tetrahydro Demethoxycurcumin-d4 Stable Isotopes CS-O-60687 ---- Enquire
Tetrahydrocurcumin o-glucuronide-d6 Stable Isotopes CS-O-60689 ---- Enquire
Curcumin Sulfate-d6 Stable Isotopes CS-O-33548 339286-19-0 (Unlabeled) Enquire
Curcumin Sulfate-d6 Tetrabutylammonium Sodium Salt Stable Isotopes CS-T-93802 339286-19-0 (Unlabeled Free Acid) In Stock
Curcumin-d6 beta-D-di-glucuronide Stable Isotopes CS-O-33547 1529769-77-4 (Unlabeled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Curcumin API CS-O-01231 458-37-7 In Stock
Curcumin sulfate API CS-ED-41746 339286-19-0 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bisdemethoxycurcumin o-sulfate Sodium Metabolite CS-O-60664 ---- Enquire
Demethoxycurcumin o-sulfate Sodium Metabolite CS-O-60662 ---- Enquire
Desmethoxy Curcumin Metabolite CS-P-07556 24939-17-1 Enquire
Tetrahydro BisDemethoxycurcumin o-sulfate Sodium Metabolite CS-O-60661 ---- Enquire
Tetrahydro Demethoxycurcumin o-sulfate Sodium Metabolite CS-O-60658 ---- Enquire
Tetrahydrocurcumin o-Sulfate Sodium Metabolite CS-O-60655 ---- Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Curcumin Sulfate Tetrabutylammonium Salt Impurity CS-T-103333 2757871-01-3 Enquire
Curcumin sulfate triethylamine salt Impurity CS-O-52500 339286-19-0 (Freebase) In Stock
Demethoxycurcumin (Mixture of Isomers) Impurity CS-BS-00086 22608-11-3 In Stock
Demethyl Curcumin Impurity CS-T-15097 149732-51-4 Enquire
Difluorinated Curcumin Impurity S-O-52554 1170354-22-9 Enquire
Difluorinated Curcumin Impurity CS-O-52554 1170354-22-9 Enquire
Dimethylcurcumin Impurity CS-O-58356 52328-98-0 Enquire
Octahydrocurcumin Impurity CS-O-44460 36062-07-4 Enquire
Tetrahydro Curcumin Impurity CS-T-43664 36062-04-1 In Stock
Di-(O-tert-Butyl-dimethylsilyl) 3,5-Dihydroxycurcumin Impurity CS-T-88557 1795128-69-6 Enquire
Didemethyl Curcumin Impurity CS-T-52722 60831-46-1 Enquire
Hexahydrocurcumin Impurity CS-ED-02446 36062-05-2 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2E)-Demethoxy Curcumin [Mixture of isomers] Intermediate CS-T-51838 22608-11-3 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bisdemethoxycurcumin o-glucuronide Glucuronide CS-O-60663 ---- Enquire
Curcumin Beta-D-Glucuronide Sodium Salt Glucuronide CS-O-49599 227466-72-0 (Freebase) Enquire
Tetrahydro Demethoxycurcumin o-glucuronide Glucuronide CS-O-60657 ---- Enquire
Curcumin β-D-Glucuronide Triacetate Methyl Ester Glucuronide CS-T-89818 1529769-81-0 Enquire
Dihydrocurcumin Glucuronide Glucuronide CS-T-89554 227466-73-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Di-(tert-Butyl-dimethylsilyl) Curcumin Fine Chemicals CS-T-17328 1134639-23-8 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bisdesmethoxycurcumin Secondary Standards CS-SS-26069-50MG 33171-05-0 Enquire
Curcumin Secondary Standards CS-SS-26675 458-37-7 Enquire
Curcumin Secondary Standards CS-SS-25109-50MG 458-37-7 Enquire