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

Hydroquinone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[U-Ring-13C6]-Hydroquinone Stable Isotopes CS-EK-00557 123-31-9 unlabeled Enquire
1,3-Butadiene-d6 (gas) (stabilized with hydroquinone) Stable Isotopes CS-C-00079 1441-56-1 Enquire
Acrylic Acid-d4 (stabilized with hydroquinone) Stable Isotopes CS-C-00299 285138-82-1 Enquire
Hydroquinone D6 Stable Isotopes CS-CX-00496 71589-26-9 Enquire
Styrene D5(Stabilized with Hydroquinone) Stable Isotopes CS-T-61434 5161-29-5 In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroquinone API Standards CS-T-26487 123-31-9 In Stock
Thymohydroquinone API Standards CS-T-86715 2217-60-9 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,3-Dimethoxy-5-methyl-1,4-hydroquinone Impurities CS-T-18547 3066-90-8 Enquire
Hydroquinone Impurity 1 Impurities CS-P-01766 2474-72-8 Enquire
Hydroquinone Impurity 9 Impurities CS-O-56851 2749982-54-3 Enquire
Hydroquinone Impurity II Impurities CS-P-01767 Not Available Enquire
Hydroquinone Impurity III Impurities CS-P-01768 Not Available Enquire
Hydroquinone Impurity IV Impurities CS-P-01769 Not Available Enquire
Hydroquinone Impurity V Impurities CS-P-01770 Not Available Enquire
Hydroquinone Impurity VI Impurities CS-P-01771 Not Available Enquire
Hydroquinone Impurity VII Impurities CS-P-01772 Not Available Enquire
Hydroquinone Impurity VIII Impurities CS-P-01773 Not Available Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"1-O-Hexyl-2,3,5-trimethylhydroquinone" Intermediates CS-T-55658 148081-72-5 Enquire
"1-O-Hexyl-4-pivaloyl-2,3,5-trimethylhydroquinone" Intermediates CS-T-26291 153474-18-1 Enquire
"2,5-Di-tert-butylhydroquinone" Intermediates CS-M-57344 88-58-4 In Stock
"2,6-Dichlorohydroquinone" Intermediates CS-T-17563 20103-10-0 Enquire
(o-Aminophenyl)-hydroquinone Intermediates CS-ED-08082 91569-08-3 Enquire
1-Pivaloyl-2,3,5-trimethylhydroquinone Intermediates CS-T-40219 112109-69-0 Enquire
2,3-Xylohydroquinone Intermediates CS-T-46660 608-43-5 Enquire
2,5-Dibromohydroquinone Intermediates CS-CJ-00031 14753-51-6 Enquire
2,5-Di-p-tolylhydroquinone Intermediates CS-ED-26028 97479-19-1 Enquire
2-Phenylhydroquinone Intermediates CS-T-84284 1079-21-6 Enquire
Chlorohydroquinone Intermediates CS-T-11665 615-67-8 Enquire
Hexaprenylhydroquinone Intermediates CS-T-78497 119980-00-6 Enquire
Methylhydroquinone Intermediates CS-T-33994 95-71-6 Enquire
Tetrachlorohydroquinone Intermediates CS-T-87057 87-87-6 Enquire
Trimethylhydroquinone Intermediates CS-DB-00129 700-13-0 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,3-Dichlorohydroquinone Fine Chemicals CS-O-59937 608-44-6 Enquire
2,6-Dimethylhydroquinone Fine Chemicals CS-M-01787 654-42-2 Enquire
Phytyl trimethylhydroquinone diacetate Fine Chemicals CS-O-33124 85314-71-2 In Stock
Thymohydroquinone (THQ) Fine Chemicals CS-AF-00121 2217-60-9 Enquire