Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Xanthine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Xanthine 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 Xanthine-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.
Our Xanthine-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.
Xanthine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-(3-carboxypropyl)3,7-dimethyl Xanthine-d6 | Stable Isotopes | CS-BV-00018 | 1246816-64-7 | In Stock |
| 1,7-Dimethylxanthine-d3 | Stable Isotopes | CS-B-00266 | 611-59-6 (unlabeled) | Enquire |
| 3-Methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tertbutyloxycarbonylamin... | Stable Isotopes | CS-T-100051 | Not Available | Enquire |
| 3-Methylxanthine-[13C4,15N3] | Stable Isotopes | CS-I-00528 | 1173018-93-3 | Enquire |
| 5-Amino-3,7-dimethyl Xanthine-d6 | Stable Isotopes | CS-T-100881 | 1185126-58-2 | Enquire |
| 8-Bromo-3-methyl-d3-7-(2-butynyl)-xanthine | Stable Isotopes | CS-T-100730 | Not Available | Enquire |
| 8-Bromoxanthine-15N2,13C | Stable Isotopes | CS-T-100726 | Not Available | Enquire |
| Hypoxanthine-13C2,15N (>90%) | Stable Isotopes | CS-T-102275 | 1330265-04-7 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Methyl Xanthine | Metabolite | CS-O-10032 | 6136-37-4 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 7-Deaza-2-mercapto-hypoxanthine | Impurity | CS-T-51651 | 67831-84-9 | Enquire |
| 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine] | Impurity | CS-O-31413 | 666816-98-4 | In Stock |
| 8-Methylxanthine | Impurity | CS-T-102332 | 17338-96-4 | Enquire |
| Temozolomide 2-Azahypoxanthine Impurity | Impurity | CS-O-08269 | 4656-86-4 | In Stock |
| 1-(5-Ketohexyl)-3-methyl Xanthine | Impurity | CS-T-30335 | 38975-46-1 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-[(4-Methylquinazolin-2-yl)methyl)]-3-methyl-7-(2-butin-1-y... | Intermediate | CS-O-31412 | 853029-57-9 | In Stock |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Paraxanthine | Nitrosamine | CS-O-45275 | Not Available | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Hypoxanthine Monosodium | Building Blocks | CS-BX-02541-1KG | 45738-97-4 | In Stock |
| Hypoxanthine monosodium salt | Building Blocks | CS-BX-02541 | 45738-97-4 | Enquire |