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| Product | Description | |
|---|---|---|
| Folic acid impurity 31 | Folic acid impurity 31. Uses: For analytical and research use. Group: Impurity standards. CAS No. 151533-22-1. Molecular formula: C20H24CaN7O6+. Mole weight: 498.53. Catalog: APB151533221. |  |
| Folic acid impurity 33 | Folic acid impurity 33. Uses: For analytical and research use. Group: Impurity standards. CAS No. 153445-05-7. Molecular formula: C23H22N8O8. Mole weight: 538.48. Catalog: APB153445057. | |
| Folic acid impurity A | Pharmaceutical Secondary Standard; Certified Reference Material. Group: Pharmacopeia & metrological institutes standardseuropean pharmacopoeia (ph. eur.)pharmacopoeial standards. Alternative Names: (p-Aminobenzoyl)glutamic acid,(2S)-2-[(4-Aminobenzoyl)amino]pentanedioic Acid, Glutamic acid, N-(p-aminobenzoyl)- (6CI,7CI), (p-Aminobenzoyl)-L-glutamic acid, NSC 71042, Folic Acid Imp. A (EP), N-(p-Aminobenzoyl)-L(+)-glutamic acid, Glutamic acid, N-(p-aminobenzoyl)-, L- (8CI), N-(p-Aminobenzoyl)-L-glutamic acid, (4-Aminobenzoyl)-L-glutamic acid, N-(4-Aminobenzoyl)-L-glutamic Acid, N-(p-Aminobenzoyl)glutamic acid. | |
| Folic Acid EP Impurity A (Methotrexate EP Impurity K) | An impurity of Methotrexate, an antimetabolite and immunosuppressant used in chemotherapy and auto-immune diseases. Synonyms: 4-Aminobenzoylglutamic Acid (USP); N-(4-Aminobenzoyl)-L-glutamic Acid; N-(p-Aminobenzoyl)glutamic Acid; N-(p-Aminobenzoyl)-L(+)-glutamic Acid. Grade: > 95%. CAS No. 4271-30-1. Molecular formula: C12H14N2O5. Mole weight: 266.25. |  |
| Folic Acid EP Impurity B | Folic Acid EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2,5,6-triaminopyrimidin-4(1H)-one. CAS No. 1004-75-7. Molecular formula: C4H7N5O. Mole weight: 141.13. Catalog: APB1004757. | |
| Folic Acid EP Impurity B | One of the impurities of Folic acid. Folic acid is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and it also acts as a cofactor in biological reactions involving folate. Synonyms: 6-Hydroxy-2,4,5-triaminopyrimidine; 2,5,6-Triaminopyrimidin-4(3H)-one; 2,5,6-Triamino-4(1H)-pyrimidinone. Grade: 97%. CAS No. 1004-75-7. Molecular formula: C4H7N5O. Mole weight: 141.13. | |
| Folic Acid EP Impurity C | Folic Acid EP Impurity C is the isomer of Folic acid, which is used to treat anemia caused by folate deficiency. Uses: The 7-isomer of pteroylglutamic acid. Synonyms: Isofolic acid; N-[4-[[(2-Amino-1,4-dihydro-4-oxo-7-pteridinyl)methyl]amino]benzoyl]-L-glutamic Acid; N-(p-(((2-Amino-4-hydroxy-6-pteridinyl)amino)methyl)benzoyl)glutamic acid. Grade: ≥95%. CAS No. 47707-78-8. Molecular formula: C19H19N7O6. Mole weight: 441.40. | |
| Folic Acid EP Impurity D (Methotrexate EP Impurity D) | Pteroic Acid is one of methotrexate impurities. Methotrexate is a folic acid antagonist, used as an antineoplastic and antirheumatic. Synonyms: Pteroic acid; Pyrofolic acid; p-[(2-Amino-4-hydroxy-6-pteridylmethyl)amino]benzoic Acid. Grade: > 85 %. CAS No. 119-24-4. Molecular formula: C14H12N6O3. Mole weight: 312.28. | |
| Folic Acid EP Impurity E | One of the impurities of Folic acid. Folic acid is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and it also acts as a cofactor in biological reactions involving folate. Synonyms: 6-Pterinyl Folic Acid; N-[4-[Bis[(2-amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid. Grade: 95%. CAS No. 1391068-26-0. Molecular formula: C26H24N12O7. Mole weight: 616.55. | |
| Folic Acid EP Impurity F | One of the impurities of Folic acid. Folic acid is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and it also acts as a cofactor in biological reactions involving folate. Synonyms: 2-Amino-7-(chloromethyl)pteridin-4(1H)-one. CAS No. 1391194-56-1. Molecular formula: C7H6ClN5O. Mole weight: 211.61. | |
| Folic acid hydrate EP Impurity G | One of the impurities of Folic acid. Folic acid is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and it also acts as a cofactor in biological reactions involving folate. Synonyms: (S)-2-(4-((2-Amino-7-methyl-4-oxo-1,4-dihydropteridin-6-yl)amino)benzamido)pentanedioic acid; N-[4-[(2-Amino-3,4-dihydro-7-methyl-4-oxo-6-pteridinyl)amino]benzoyl]-L-glutamic acid. Grade: 95%. CAS No. 2734707-85-6. Molecular formula: C19H19N7O6. Mole weight: 441.40. | |
| Folic Acid Hydrate EP Impurity H | One of the impurities of Folic acid. Folic acid is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and it also acts as a cofactor in biological reactions involving folate. Synonyms: N-[4-[[N-[4-[[(2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino]benzoyl]-L-γ-glutamyl]amino]benzoyl]-L-glutamic Acid. CAS No. 2366274-27-1. Molecular formula: C31H31N9O10. Mole weight: 689.64. | |
| 10-Formyl-7,8-dihydro Folic Acid | 10-Formyl-7,8-dihydro Folic Acid is an impurity of Folic acid, which is used to treat anemia caused by folate deficiency. Synonyms: N-[4-[[(2-Amino-3,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid; N-[p-[N-[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]glutamic Acid; N-(10-formyl-7,8-dihydropteroyl)-L-glutamate; N-Formyl-7,8-dihydrofolic Acid; 10-FDHFA; Folinic Acid Impurity F; L-Glutamic acid, N-[4-[[(2-amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-; 10-Formyldihydrofolate; 10-formyldihydrofolic acid; 10-Formyldihydropteroylglutamate. Grade: ≥95%. CAS No. 28459-40-7. Molecular formula: C20H21N7O7. Mole weight: 471.43. | |
| 10-Formyl-7,8-dihydro Folic Acid Disodium Salt | 10-Formyl-7,8-dihydro Folic Acid Disodium Salt is an impurity of Folic acid, which is used to treat anemia caused by folate deficiency. Synonyms: N-[4-[[(2-Amino-3,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid Disodium Salt; N-[p-[N-[(2-Amino-7,8-dihydro-4-hydroxy-6-pteridinyl)methyl]formamido]benzoyl]glutamic Acid Disodium Salt; N-[4-[[(2-Amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-L-glutamic Acid Disodium Salt; N-Formyl-7,8-dihydrofolic Acid Disodium Salt; 10-FDHFA Disodium Salt; Folinic Acid Impurity F Disodium Salt; L-Glutamic acid, N-[4-[[(2-amino-1,4,7,8-tetrahydro-4-oxo-6-pteridinyl)methyl]formylamino]benzoyl]-, sodium salt (1:2). Grade: 85%. Molecular formula: C20H19N7Na2O7. Mole weight: 515.39. | |
| 1-Deoxy-4-O- β-D-glucopyranosyl-1-[4-[(2s)-2-(pentane-1,5-dioic acid) amino]phenylimino]-D-glucitol | 1-Deoxy-4-O- β-D-glucopyranosyl-1-[4-[(2s)-2-(pentane-1,5-dioic acid) amino]phenylimino]-D-glucitol is an impurity of Folic Acid (F680300) which is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and also act as a cofactor in biological reactions involving folate. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 50mg. Molecular Formula: C23H34N2O14, Molecular Weight: 562.52. US Biological Life Sciences. |  Worldwide |
| 2-Amino-7-(hydroxymethyl)-4(3H)-pteridinone | 2-Amino-7-(hydroxymethyl)-4(3H)-pteridinone is an impurity of Folic acid (F680300). Group: Biochemicals. Grades: Highly Purified. CAS No. 694514-39-1. Pack Sizes: 10mg, 25mg. Molecular Formula: C7H7N5O2. US Biological Life Sciences. | Worldwide |
| (2S) -2- (4- (4- ( ( (2, 4-diaminopteridin-6-yl) methyl) (methyl) amino) -N-methylbenzamido) benzamido) pentanedioic Acid | (2S) -2- (4- (4- ( ( (2, 4-diaminopteridin-6-yl) methyl) (methyl) amino) -N-methylbenzamido) benzamido) pentanedioic Acid is an impurity of Methotrexate (M260675) which is a Folic acid antagonist. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg. Molecular Formula: C28H29N9O6, Molecular Weight: 587.59. US Biological Life Sciences. | Worldwide |
| (2S)-2-(4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-methylbenzamido)benzamido)pentanedioic Acid | (2S)-2-(4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-methylbenzamido)benzamido)pentanedioic Acid is one of methotrexate impurities. Methotrexate is a Folic Acid antagonist, used as an antineoplastic and antirheumatic. Synonyms: Methotrexate Impurity G; Methotrexate EP Impurity G. Molecular formula: C28H29N9O6. Mole weight: 587.59. | |
| (±)-Amethopterin | (±)-Amethopterin is a folic acid antagonist used as an anticancer agent. Synonyms: N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]glutamic Acid; (±)-Methotrexate; DL-Amethopterin; DL-Methotrexate; NSC 117356; Methotrexate Impurity 3; amethopterin; 4-amino-N10-methylpteroylglutamic acid; D-methionine-R-sulfoximine. Grade: 98%. CAS No. 60388-53-6. Molecular formula: C20H22N8O5. Mole weight: 454.44. | |
| 5,6,7,8-Tetrahydro-5,10-dimethylfolic acid | One of the impurities of Folic acid. Folic acid is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and it also acts as a cofactor in biological reactions involving folate. CAS No. 1553-43-1. Molecular formula: C21H27N7O6. Mole weight: 473.48. | |
| 7-Hydroxy Methotrexate Trisodium Salt | 7-Hydroxy Methotrexate Trisodium Salt is one of methotrexate impurities. Methotrexate is a Folic Acid antagonist, used as an antineoplastic and antirheumatic. Molecular formula: C20H19N8O6.3Na. Mole weight: 536.38. | |
| D-Folic Acid | One of the impurities of Folic acid. Folic acid is a vitamin needed to synthesize DNA, conduct DNA repair and methylate DNA, and it also acts as a cofactor in biological reactions involving folate. Synonyms: N-[4-[[(2-Amino-3,4-dihydro-4-oxo-6-pteridinyl)methyl]amino]benzoyl]-D-glutamic Acid; (R)-2-(4-(((2-Amino-4-oxo-3,4-dihydropteridin-6-yl)methyl)amino)benzamido)pentanedioic Acid. CAS No. 65165-91-5. Molecular formula: C19H19N7O6. Mole weight: 441.40. | |
| (R)-Methotrexate N,N-dimethylamide | (R)-Methotrexate N,N-dimethylamide is one of methotrexate impurities. Methotrexate is a Folic Acid antagonist, used as an antineoplastic and antirheumatic. Molecular formula: C22H27N9O4. Mole weight: 481.51. | |
| (R/S)-Methotrexate N,N-dimethylamide | (R/S)-Methotrexate N,N-dimethylamide is one of methotrexate impurities. Methotrexate is a Folic Acid antagonist, used as an antineoplastic and antirheumatic. Molecular formula: C22H27N9O4. Mole weight: 481.51. | |
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