Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Caffeine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Caffeine 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 Caffeine-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 Caffeine-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.
Caffeine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Caffeine D6 | Stable Isotopes | CS-O-41405 | 104819-85-4 | Enquire |
| Caffeine-13C,d3 | Stable Isotopes | CS-O-48399 | Not Available | In Stock |
| Caffeine-13C3 | Stable Isotopes | CS-BU-00027 | 58-08-2 (unlabeled) | Enquire |
| Caffeine-13C3 | Stable Isotopes | CS-T-69830 | 78072-66-9 | In Stock |
| Caffeine-d10 | Stable Isotopes | CS-T-95583 | 1220356-33-1 | In Stock |
| Caffeine-d3 | Stable Isotopes | CS-O-02851 | 26351-04-2 | In Stock |
| Caffeine-d9 | Stable Isotopes | CS-T-50193 | 72238-85-8 | In Stock |
| Caffeine-Monomethyl-13C | Stable Isotopes | CS-O-51792 | 1009378-86-2 | In Stock |
| Isocaffeine-d3 | Stable Isotopes | CS-T-100143 | 519-32-4(unlabelled) | Enquire |
| 1,7-Dimethyluric Acid D3 | Stable Isotopes | CS-T-53710 | 1189713-08-3 | Enquire |
| 7-Methyl-3-methyluric Acid D3 | Stable Isotopes | CS-T-58692 | 383160-11-0 | Enquire |
| CAFFEINE METHYL-13C | Stable Isotopes | CS-R-00572 | 202282-98-2 | Enquire |
| Paraxanthine-1-methyl-d3 | Stable Isotopes | CS-T-60154 | 188297-90-7 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Caffeidine | API | CS-T-10021 | 20041-90-1 | In Stock |
| Caffeidine Acid | API | CS-T-69726 | 54536-15-1 | Enquire |
| Caffeine Citrate | API | CS-T-50194 | 69-22-7 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 8-Chloro Caffeine | Metabolite | CS-T-50581 | 4921-49-7 | In Stock |
| Caffeine EP Impurity B | Metabolite | CS-T-02645 | 7597-60-6 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Caffeine EP Impurity E Hydrochloride (Caffeidine Hydrochlori... | Impurity | CS-P-07440 | 107605-95-8 | In Stock |
| Caffeine EP Impurity F | Impurity | CS-T-38705 | 611-59-6 | In Stock |
| Isocaffeine | Impurity | CS-T-29687 | 519-32-4 | In Stock |
| Tetramethyluric Acid | Impurity | CS-T-86546 | 2309-49-1 | Enquire |
| 1,3,7-Trimethyluric Acid | Impurity | CS-T-87924 | 5415-44-1 | Enquire |
| 8-(3-Chlorostyryl)caffeine | Impurity | CS-T-73053 | 147700-11-6 | Enquire |
| Caffeine-sodium benzoate | Impurity | CS-BX-02736 | 8000-95-1 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Caffeine for system suitability CRS (containing impurities A... | EP Standards | CS-EG-03293 | Not Available | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Caffeine Melting Point Standard | Building Blocks | CS-O-00486-1GM | 58-08-2 | Enquire |