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

Sulfasalazine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sulfasalazine-d4 Stable Isotopes CS-T-61514 1346606-50-5 In Stock
Sulfasalazine 13C6 Stable Isotopes CS-EK-02555 599-79-1 unlabeled Enquire
Sulfasalazine D3 15N Stable Isotopes CS-BU-00074 599-79-1 (unlabeled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sulfasalazine API CS-T-42938 599-79-1 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sulfasalazine EP Impurity C Impurity CS-T-42066 66030-25-9 Enquire
Sulfasalazine EP Impurity D Impurity CS-T-41176 66364-70-3 In Stock
Sulfasalazine EP Impurity E Impurity CS-O-15155 1391062-34-2 Enquire
Sulfasalazine EP Impurity I Impurity CS-O-15157 21542-82-5 In Stock
Sulfasalazine Impurity 2 Impurity CS-EO-02326 2033064-46-7 Enquire
Sulfasalazine Impurity 7 Impurity CS-O-60566 ---- Enquire
6-Methyl Sulfasalazine Impurity CS-T-34926 42753-55-9 Enquire
Sulfanilazosalicylic acid Impurity CS-O-16265 1912438-05-1 Enquire
Sulfasalazine EP Impurity A Impurity CS-O-15153 1391062-35-3 Enquire
Sulfasalazine EP Impurity B Impurity CS-O-15154 1391062-49-9 Enquire
Sulfasalazine EP Impurity F Impurity CS-T-42956 66364-71-4 Enquire
Sulfasalazine EP Impurity G Impurity CS-O-15156 1391062-37-5 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sulfapyridine Fine Chemicals CS-T-42937 144-83-2 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Sulfasalazine Secondary Standards CS-SS-25934-250MG 599-79-1 Enquire