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| Product | Description | |
|---|---|---|
| Caffeine Impurity 1 | Caffeine Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 54536-15-1. Molecular Formula: C8H12N4O3. Mole Weight: 212.21. Catalog: APB54536151. |  |
| Caffeine Impurity 1 Ammonium Salt | Caffeine Impurity 1 Ammonium Salt is one of Caffeine impurities. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: 4-(1,3-dimethylureido)-1-methyl-1H-imidazole-5-carboxylate, ammonium salt (1:1). Molecular formula: C8H11N4O3.NH4. Mole weight: 229.24. |  |
| Caffeine Impurity 1 (Sodium 4-[N-Methyl-N-(N-Methylaminocarbonyl)amino]-1-methylimidazole-5-Carboxylate) | Caffeidine Acid is a potential degradation product from the hydrolysis of Caffeine under alkaline environment. Synonyms: 1-Methyl-4-[methyl[(methylamino)carbonyl]amino]-1H-Imidazole-5-carboxylic Acid Sodium Salt; Caffeidinecarboxylic Acid Sodium Salt. Grades: > 95%. Molecular formula: C8H11N4O3. Na. Mole weight: 211.20 22.99. | |
| Caffeine Impurity 2 | Caffeine Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 4921-49-7. Molecular Formula: C8H9ClN4O2. Mole Weight: 228.64. Catalog: APB4921497. | |
| Caffeine Impurity 3 | Caffeine Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 19893-78-8. Molecular Formula: C7H10N4O3. Mole Weight: 198.18. Catalog: APB19893788. | |
| Caffeine Impurity 4 | Caffeine Impurity 4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 55782-76-8. Molecular Formula: C7H10N4O3. Mole Weight: 198.18. Catalog: APB55782768. | |
| Caffeine Impurity 5 | Caffeine Impurity 5 is one of Caffeine impurities. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: (1,3-dimethyl-2,6,8-trioxo-1,2,3,6,8,9-hexahydro-purin-7-yl)-acetic acid; (8-Hydroxy-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-yl)-acetic acid; 1,2,3,6,8,9-hexahydro-1,3-dimethyl-2,6,8-trioxo-7H-purine-7-acetic Acid. Grades: 98%. CAS No. 10184-35-7. Molecular formula: C9H10N4O5. Mole weight: 254.20. | |
| Caffeine Impurity 5 | Caffeine Impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 10184-35-7. Molecular Formula: C9H10N4O5. Mole Weight: 254.2. Catalog: APB10184357. | |
| Caffeine Impurity 8 | Caffeine Impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 33130-55-1. Molecular Formula: C8H12N4O3. Mole Weight: 212.21. Catalog: APB33130551. | |
| Caffeine Impurity B | An impurity of Dyphylline which is a mainstay of therapy in some patients with acute and chronic obstructive airway disease. Synonyms: 6-Amino-5-formamido-1,3-dimethyl-uracil; 1,3-Dimethyl-4-amino-5-(formylamino)uracil; 6-Amino-1,3-dimethyl-5-(formylamino)pyrimidine-2,4-dione; N-(6-Amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)-formamide; N-(6-Amino-1,3-dimethyl-2,4-dioxo. Grades: > 95%. CAS No. 7597-60-6. Molecular formula: C7H10N4O3. Mole weight: 198.18. | |
| Caffeine Impurity C (Isocaffeine) | Isocaffeine is an impurity of Caffeine, a xanthine alkaloid that acts as a stimulant drug and a reversible acetylcholinesterase inhibitor. Synonyms: 3,9-Dihydro-1,3,9-trimethyl-1H-purine-2,6-dione; 1,3,9-Trimethylxanthine; 9-Methyltheophylline; NSC 28332; EP Impurity C for Caffeine. Grades: > 95%. CAS No. 519-32-4. Molecular formula: C8H10N4O2. Mole weight: 194.19. | |
| Caffeine Impurity E | Caffeidine is an impurity of Caffeine (C080100), a xanthine alkaloid that acts as a stimulant drug and a reversible acetylcholinesterase inhibitor. Caffeidine have also shown inhibitory activity towards cyclic nucleotide phosphodiesterases. Synonyms: Caffeidine; 1H-Imidazole-5-carboxamide, N,?1-dimethyl-4-(methylamino)?-, hydrochloride. Grades: > 95%. CAS No. 20041-90-1. Molecular formula: C7H12N4O. Mole weight: 168.2. | |
| Caffeine Impurity E Nitrate solution | Caffeine Impurity E Nitrate solution. Uses: For analytical and research use. Group: Impurity standards. CAS No. 209725-34-8. Molecular Formula: C7H13N5O4. Mole Weight: 231.21. Catalog: APB209725348. | |
| Caffeine Impurity F | Paraxanthine is a metabolite of caffeine, and also acts as an inhibitor of phosphodiesterase 9 (PDE9) and an antagonist of adenosine receptors A1 and A2 (Kis = 35 and 22 μM, respectively in equine forebrain tissues). Synonyms: 1,7-Dimethylxanthine; P-Xanthine; Xanthine, 1,7-dimethyl-; 3,7-Dihydro-1,7-dimethyl-1H-purine-2,6-dione. Grades: > 95%. CAS No. 611-59-6. Molecular formula: C7H8N4O2. Mole weight: 180.17. | |
| Caffeine EP impurity A | Caffeine EP impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Theophylline; Pentoxifylline EP Impurity C; Dimenhydrinate EP Impurity A. CAS No. 58-55-9. Molecular Formula: C7H8N4O2. Mole Weight: 180.17. Catalog: APB58559. | |
| Caffeine EP impurity C | Caffeine EP impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 519-32-4. Molecular Formula: C8H10N4O2. Mole Weight: 194.19. Catalog: APB519324. | |
| Caffeine EP impurity D | Caffeine EP impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pentoxifylline EP Impurity A. CAS No. 83-67-0. Molecular Formula: C7H8N4O2. Mole Weight: 180.17. Catalog: APB83670. | |
| Caffeine EP impurity E | Caffeine EP impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 20041-90-1. Molecular Formula: C7H12N4O. Mole Weight: 168.2. Catalog: APB20041901. | |
| Caffeine EP impurity E HCl | Caffeine EP impurity E HCl. Uses: For analytical and research use. Group: Impurity standards. CAS No. 107605-95-8. Molecular Formula: C7H13ClN4O. Mole Weight: 204.66. Catalog: APB107605958. | |
| Caffeine EP impurity F | Caffeine EP impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 611-59-6. Molecular Formula: C7H8N4O2. Mole Weight: 180.17. Catalog: APB611596. | |
| Caffeine (Pentoxifylline EP Impurity F/Theophylline EP Impurity A) | Caffeine (Pentoxifylline EP Impurity F/Theophylline EP Impurity A). Uses: For analytical and research use. Group: Impurity standards. CAS No. 58-08-2. Molecular Formula: C8H10N4O2. Mole Weight: 194.19. Catalog: APB58082. | |
| 6-Amino-5-(N-formyl-N-methyl)-3-methyluracil | 6-Amino-5-(N-formyl-N-methyl)-3-methyluracil is one of Caffeine metabolites. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: N-(4-Amino-1,2,3,6-tetrahydro-1-methyl-2,6-dioxo-5-pyrimidinyl)-N-methyl-formamide; 6-amino-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl(methyl)formamide; 6-amino-5-[N-methyl-formylamino )-3-methyluracil; N-(6-Amino-1,2,3,4-tetrahydro-3-methyl-2,4-dioxopyrimidine-5-yl)-N-methylformamide; Caffeine Impurity 4. Grades: 98%. CAS No. 55782-76-8. Molecular formula: C7H10N4O3. Mole weight: 198.18. | |
| 8-Chloro Caffeine | 8-Chloro Caffeine is a halogenated analog of Caffeine, which is a central nervous system (CNS) stimulant used as a cognitive enhancer to increase alertness and attention performance. Synonyms: 8-Chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione; NSC 6277; EINECS 225-552-1; 1,3,7-Trimethyl-2,6-dioxo-8-chloro.1H,3H,7H-xanthine; 8-chloro-1,3,7-trimethylxanthine; 8-chloro-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione; Dimenhydrinate EP Impurity E. Grades: ≥95%. CAS No. 4921-49-7. Molecular formula: C8H9ClN4O2. Mole weight: 228.64. | |
| Caffeidine | Caffeidine is an impurity of Caffeine (C080100), a xanthine alkaloid that acts as a stimulant drug and a reversible acetylcholinesterase inhibitor. Caffeidine have also shown inhibitory activity towards cyclic nucleotide phosphodiesterases. Group: Biochemicals. Alternative Names: N,1-Dimethyl-4-(methylamino)imidazole-5-carboxamide; EP Impurity E. Grades: Highly Purified. CAS No. 20041-90-1. Pack Sizes: 500mg. US Biological Life Sciences. |  Worldwide |
| Caffeidine Acid Sodium Salt | Caffeidine Acid Sodium Salt is one of Caffeine impurities. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: 1-Methyl-4-[methyl[(methylamino)carbonyl]amino]-1H-Imidazole-5-carboxylic Acid Sodium Salt; Caffeidinecarboxylic Acid Sodium Salt; 4-(1,3-dimethylureido)-1-methyl-1H-imidazole-5-carboxylate, sodium salt (1:1); Caffeine Impurity 1 Sodium Salt. Molecular formula: C8H11N4O3.Na. Mole weight: 234.19. | |
| Caffeidine-d9 | Caffeidine-d9. Group: Biochemicals. Alternative Names: N,1-Dimethyl-4-(methylamino)imidazole-5-carboxamide-d9; EP Impurity E-d9 of Caffeine. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C7H3D9N4O, Molecular Weight: 177.25. US Biological Life Sciences. | Worldwide |
| Isocaffeine | Isocaffeine. Group: Biochemicals. Alternative Names: 3,9-Dihydro-1,3,9-trimethyl-1H-purine-2,6-dione; 1,3,9-Trimethylxanthine; 9-Methyltheophylline; NSC 28332; EP Impurity C for Caffeine. Grades: Highly Purified. CAS No. 519-32-4. Pack Sizes: 250mg. Molecular Formula: C8H10N4O2, Molecular Weight: 194.19. US Biological Life Sciences. | Worldwide |
| Isocaffeine-d3 | Isocaffeine-d3. Group: Biochemicals. Alternative Names: 3,9-Dihydro-1,3,9-trimethyl-1H-purine-2,6-dione-d3; 1,3,9-Trimethylxanthine-d3; 9-Methyltheophylline-d3; NSC 28332-d3; EP Impurity C-d3 for Caffeine. Grades: Highly Purified. Pack Sizes: 5mg. Molecular Formula: C8H7D3N4O2, Molecular Weight: 197.21. US Biological Life Sciences. | Worldwide |
| N-(6-Amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)-N-methylformamide | N-(6-Amino-1,2,3,4-tetrahydro-1,3-dimethyl-2,4-dioxo-5-pyrimidinyl)-N-methylformamide is one of Caffeine metabolites. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: 6-Amino-5-(N-formyl-N-methylamino)-1,3-dimethyluracil; ADMU; 1,3,7-Dau; 6-Amino-5-(formylmethylamino)-1,3-dimethyluracil; Caffeine Impurity 8. Grades: ≥95%. CAS No. 33130-55-1. Molecular formula: C8H12N4O3. Mole weight: 212.21. | |
| N-(6-Amino-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide | N-(6-Amino-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)acetamide is one of Caffeine metabolites. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: 5-Acetylamino-6-amino-3-methyluracil; N-(4-Amino-1,2,3,6-tetrahydro-1-methyl-2,6-dioxo-5-pyrimidinyl)acetamide; Caffeine Impurity 3; AAMU. Grades: 95%. CAS No. 19893-78-8. Molecular formula: C7H10N4O3. Mole weight: 198.18. | |
| 7-(2-Cyanoethyl)-theophylline | 7-(2-Cyanoethyl)-theophylline is one of Caffeine impurities. Caffeine is a CNS stimulant. Alkaloid, purified from plants of Coffea genus, Rubiaceae. Synonyms: 1,2,3,6-Tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-propanenitrile; 3-(1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropurin-7-yl)propanenitrile; 1,3-dimethyl-7H-xanthine-7-propanenitrile; 7-Cyanoethyltheophylline; 7H-Purine-7-propanenitrile,1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo. Grades: 98%. CAS No. 1811-38-7. Molecular formula: C10H11N5O2. Mole weight: 233.23. | |
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