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

Hydrochlorothiazide Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Nitroso Hydrochlorothiazide-13C,15N2,d2 Stable Isotopes CS-O-42065 63779-86-2(Unlabeled) Enquire
4-Nitroso Hydrochlorothiazide-13C-d2 Stable Isotopes CS-O-49257 Not Available Enquire
Hydrochlorothiazide-13C,d3 Stable Isotopes CS-O-06661 1190006-03-1 In Stock
Hydrochlorothiazide-13C6 Stable Isotopes CS-O-03155 1261396-79-5 In Stock
Hydrochlorothiazide-15N2,13C,d2 Stable Isotopes CS-O-06663 58-93-5(Unlabeled) In Stock
Hydrochlorothiazide-d2 Stable Isotopes CS-O-06662 1219798-89-6 In Stock
N-Nitroso Hydrochlorothiazide D2 Stable Isotopes CS-EO-02660 Not Available Enquire
N-Nitroso Hydrochlorothiazide-13C Stable Isotopes CS-EO-02297 Not Available Enquire
4-Amino-6-chloro-1,3-benzenedisulfonamide-d6 () Stable Isotopes CS-T-47683 1184995-49-0 Enquire
Benzylhydrochlorothiazide D5 Stable Isotopes CS-CX-00169 1185024-05-8 Enquire
Hydrochlorothiazide-13CD6 Stable Isotopes CS-O-14382 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydrochlorothiazide API CS-O-30942 58-93-5 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Chloro Hydrochlorothiazide Impurity CS-T-11660 5233-42-1 In Stock
6-Chloro-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine 1,1-dioxi... Impurity CS-O-42981 19477-32-8 Enquire
Hydrochlorothiazide EP Impurity A Impurity CS-T-51003 58-94-6 In Stock
Hydrochlorothiazide EP Impurity B Impurity CS-O-31114 121-30-2 In Stock
Hydrochlorothiazide EP Impurity C Impurity CS-O-10147 402824-96-8 In Stock
Hydrochlorothiazide Impurity 11 Impurity CS-O-56507 2089381-36-0 Enquire
Hydrochlorothiazide Impurity 13 Impurity CS-T-93514 4140-83-4 Enquire
Hydrochlorothiazide Impurity 22 Impurity CS-O-42806 99418-26-5 Enquire
Hydrochlorothiazide N-Acetyl impurity Impurity CS-O-56830 19185-77-4 Enquire
Hydrochlorothiazide Related Compound (N'-(2-Acetyl-sulfamoyl... Impurity CS-O-56506 90794-87-9 Enquire
N-Nitroso Hydrochlorothiazide Impurity CS-O-38268 ---- Enquire
2-amino-4-chloro-5-sulfamoylbenzenesulfonic acid Impurity CS-O-41337 Not Available Enquire
3,4-Dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-... Impurity CS-O-39967 23141-82-4 Enquire
3-Chloro-5-nitrobenzenesulfonamide Impurity CS-EO-02038 957785-35-2 Enquire
4-amino-2-chloro-5-sulfamoylbenzenesulfonic acid Impurity CS-O-40337 17277-91-7 Enquire
4-Aminobenzene-1,3-disulfonamide Impurity CS-O-39969 40642-90-8 Enquire
5-Chloro-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfona... Impurity CS-EO-02043 856302-12-0 Enquire
5-Nitro-1,3-benzenedisulfonamide Impurity CS-EO-02039 69031-67-0 Enquire
Hydrochlorothiazide Impurity 2 Impurity CS-EO-02004 1214-64-8 Enquire
Hydrochlorothiazide Impurity 6 Impurity CS-EO-02040 Not Available Enquire
Hydrochlorothiazide Impurity 7 Impurity CS-EO-02041 22503-74-8 Enquire
N4-Hydroxymethyl Hydrochlorothiazide Impurity CS-T-56202 1216599-78-8 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydrochlorothiazide CRS(H1200000) EP Standards CS-EG-03264 58-93-5 In Stock


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-5-chlorobenzenesulfonamide Intermediate CS-T-65687 5790-69-2 In Stock
4-Amino-2-chlorobenzene sulfonamide Intermediate CS-ED-00512 1954-94-5 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Benzylhydrochlorothiazide Fine Chemicals CS-T-05674 1824-50-6 In Stock