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2,4-Diamino-6-hydroxypyrimidine has been found to be a GCH1 inhibitor and could suppress the activity of NO synthase through preventing the synthesis of BH4. Uses: Enzyme inhibitors. Synonyms: 2,6-Diamino-4(1H)-pyrimidinone; 2,6-Diaminopyrimidin-4-one; 6-Aminoisocytosine; NSC 44914; NSC 680818; NSC 9302; 4(3H)-Pyrimidinone, 2,6-diamino-; 2,6-Diamino-4(3H)-pyrimidinone; 4(1H)-Pyrimidinone, 2,6-diamino-; 2,4-Diamino-6-pyrimidinone; 2,6-Diamino-1,4-dihydropyrimidin-4-one; 2,6-Diamino-1H-pyrimidin-4-one; 2,6-Diamino-3,4-dihydropyrimidin-4-one; 2,6-Diamino-3H-pyrimidin-4-one; 2,6-Diamino-4-pyrimidinol; 4-Hydroxypyrimidine-2,6-diamine; 6-Hydroxy-2,4-diaminopyrimidine; 6-Hydroxy-2,4-pyrimidinediamine. Grades: ≥95%. CAS No. 56-06-4. Molecular formula: C4H6N4O. Mole weight: 126.12.
2,6-Diamino-4-hydroxy-5-nitrosopyrimidine
2,6-Diamino-4-hydroxy-5-nitrosopyrimidine. Group: Biochemicals. Alternative Names: 2,6-Diamino-5-nitroso-4-pyrimidinol; 2,6-Diamino-5-nitro-4(3H)-pyrimidinone; NSC 44924. Grades: Highly Purified. CAS No. 3346-23-4. Pack Sizes: 1g, 2g, 5g, 10g, 25g. Molecular Formula: C4H5N5O2. US Biological Life Sciences.
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2,6-Diamino-4-hydroxy-5-nitrosopyrimidine-13C2
2,6-Diamino-4-hydroxy-5-nitrosopyrimidine-13C2 is a labelled 2,6-Diamino-4-hydroxy-5-nitrosopyrimidine (D416350), used in the preparation of pterin-based inhibitors. Group: Biochemicals. Alternative Names: 2,6-Diamino-5-nitroso-4-pyrimidinol-13C2; 2,6-Diamino-5-nitro-4(3H)-pyrimidinone-13C2; NSC 44924-13C2. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
4-Demethyltrimethoprim is an impurity of Trimethoprim (T795615), an antibacterial agent. Group: Biochemicals. Alternative Names: 4-[(2,4-Diamino-5-pyrimidinyl)methyl]-2,6-dimethoxyphenol; α-(2,4-Diamino-5-pyrimidinyl)-2,6-dimethoxy-p-cresol; 2, 4-Diamino-5- (3, 5-dimethoxy-4-hydroxybenzyl) pyrimidine; 2, 4-Diamino-5- (4-hydroxy-3, 5-dimethoxybenzyl) pyrimidine; 4'-Hydroxytrimethoprim; Ro 5-9552/001. Grades: Highly Purified. CAS No. 21253-58-7. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
5,6-Diamino-2-thiouracil
Key intermediate in the production of anticancer and analgesic agents. Group: Biochemicals. Alternative Names: 5,6-Diamino-2,3-dihydro-2-thioxo-4(1H)-pyrimidinone; 5,6-Diamino-2-thio-uracil; 2-Mercapto-4,5-diamino-6-hydroxypyrimidine; 4,5-Diamino-2-mercaptopyrimidin-6-ol; 4,5-Diamino-6-hydroxy-2-mercaptopyrimidine; 5,6-Diamino-2-thiouracil; NSC 147804; NSC 45759. Grades: Highly Purified. CAS No. 1004-76-8. Pack Sizes: 250mg. US Biological Life Sciences.
Worldwide
5,6-Diamino-2-thiouracil-13C,15N
Key intermediate in the production of anticancer and analgesic agents. Group: Biochemicals. Alternative Names: 5,6-Diamino-2,3-dihydro-2-thioxo-4(1H)-pyrimidinone-13C,15N; 5,6-Diamino-2-thio-uracil;-13C,15N 2-Mercapto-4,5-diamino-6-hydroxypyrimidine-13C,15N; 4,5-Diamino-2-mercaptopyrimidin-6-ol-13C,15N; 4,5-Diamino-6-hydroxy-2-mercaptopyrimidine-13C,15N; 5,6-Diamino-2-thiouracil-13C,15N; NSC 147804-13C,15N; NSC 45759-13C,15N. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
cyanuric acid amidohydrolase
Along with EC 3.5.1.54 (allophanate hydrolase) and EC 3.5.1.84 (biuret amidohydrolase), this enzyme forms part of the cyanuric-acid metabolism pathway, which degrades s-triazide herbicides, such as atrazine [2-chloro-4-(ethylamino)-6-(isopropylamino)-1,3,5-triazine], in bacteria. This is a key enzyme in the pathway, catalysing the ring cleavage of cyanuric acid. The enzyme is specific for cyanuric acid as substrate as neither the structurally related compounds ammeline (2,4-diamino-6-hydroxy-s-triazine) and ammelide (2-amino-4,6-dihydroxy-s-triazine) nor a number of pyrimidine compounds, such as uracil and cytosine, can act as substrates. Group: Enzymes. Synonyms: AtzD. Enzyme Commission Number: EC 3.5.2.15. CAS No. 132965-78-7. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4498; cyanuric acid amidohydrolase; EC 3.5.2.15; 132965-78-7; AtzD. Cat No: EXWM-4498.
Minoxidil
Minoxidil is a vasodilator medication known for its ability to slow or stop hair loss and promote hair regrowth. Uses: Antihypertensive agents; vasodilator agents. Synonyms: 2,4-Pyrimidinediamine, 6-(1-piperidinyl)-, 3-oxide; 2,4-Diamino-6-(1-piperidinyl)-pyrimidine-3-oxide; 2,4-Diamino-6-piperidinopyrimidine 3-N-oxide; 2,4-Diamino-6-piperidinopyrimidine 3-oxide; 2,6-Diamino-4-(piperidin-1-yl)pyrimidin-1-ium-1-olate; 6-Amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine; Alopexil; Alostil; Loniten; Lonolox; Minoximen; Mintop; Normoxidil; PDP; Pierminox; Prexidil; Regro EX 5; RiUP; Riup X5; Rogaine; Tricoxidil; U 10858. Grades: >98%. CAS No. 38304-91-5. Molecular formula: C9H15N5O. Mole weight: 209.25.
Trimethoprim Impurity C
An impurity of Trimethoprim. Trimethoprim is an antibacterial agent used for the treatment of urinary tract infections. Synonyms: α-Hydroxy Trimethoprim; 2,4-Diamino-α-(3,4,5-trimethoxyphenyl)-5-pyrimidinemethanol; 2,4-Diamino-5-(α-hydroxy-3,4,5-trimethoxybenzyl)pyrimidine; Racemic α-(2,4-Diamino-5-pyrimidyl)-3,4,5-trimethoxybenzyl Alcohol; Ro 20-0657/000. CAS No. 29606-06-2. Molecular formula: C14H18N4O4. Mole weight: 306.32.
4-Hydroxy Trimethoprim
Trimethoprim derivative. Antibacterial properties. Group: Biochemicals. Alternative Names: 2, 6-Diamino-5-[ (3, 4, 5-trimethoxyphenyl) methyl]-4 (5H) -pyrimidinone. Grades: Highly Purified. CAS No. 112678-48-5. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
4-Hydroxy Trimethoprim-13C3
Trimethoprim-13C3 derivative. Antibacterial properties. Group: Biochemicals. Alternative Names: 2, 6-Diamino-5-[ (3, 4, 5-trimethoxyphenyl) methyl]-4 (5H) -pyrimidinone-13C3. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
4-Hydroxy Trimethoprim-d9
Trimethoprim-d9 derivative. Antibacterial properties. Group: Biochemicals. Alternative Names: 2, 6-Diamino-5-[ (3, 4, 5-trimethoxyphenyl) methyl]-4 (5H) -pyrimidinone-d9. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
Worldwide
Enviomycin
Enviomycin (Tuberactinomycin N) is a antibacterial antibiotic. Enviomycin has been used to research chronic cavitary pulmonary tuberculosis. Group: Inhibitors. Alternative Names: Enviomycin;1,4,7,10,13-Pentaazacyclohexadecane, cyclic peptide deriv.;enviomucin;Tuberactinomycin N (8CI, 9CI);Viomycin, 1-[(3R,4R)-4-hydroxy-3,6-diaminohexanoic acid]-6-[L-2-(2-amino-1,4,5,6-tetrahydro-4-pyrimidinyl)glycine]-, (R)-;N2-[(4R)-4-Hydroxy-L-. CAS No. 33103-22-9. Molecular formula: C25H43N13O10. Mole weight: 685.696. Purity: 0.96. IUPACName: 3, 6-diamino-N-[(6Z)-3-(2-amino-1, 4, 5, 6-tetrahydropyrimidin-6-yl)-6-[(carbamoylamino)methylidene]-9, 12-bis(hydroxymethyl)-2, 5, 8, 11, 14-pentaoxo-1, 4, 7, 10, 13-pentazacyclohexadec-15-yl]-4-hydroxyhexanamide. Density: 1.8g/cm³. Catalog: ACM33103229.
Vancomycin
Tricyclic glycopeptide antibiotic. Inhibits cell wall synthesis in Gram-positive bacteria. Pharmacologically active in vivo. Synonyms: Vancocin; Vancomycinum; Vancomicina; Vancomycine; (S)-3,6-Diamino-hexanoic acid {(3S,9S,12S,15S)-3-((S)-6-hydroxy-2-imino-hexahydro-pyrimidin-4-yl)-9,12-bis-hydroxymethyl-2,5,8,11,14-pentaoxo-6-[1-ureido-meth-(Z)-ylidene]-1,4,7,10,13pentaaza-cyclohexadec-15-yl}-amide. Grades: >98%. CAS No. 1404-90-6. Molecular formula: C66H75Cl2N9O24. Mole weight: 1449.25.
Viomycin sulfate
It is a peptide antibiotic produced by the strain of Str. puniceus 1314-5 and Str. floridae A5014. It has broad-spectrum antibacterial and strong anti-mycobacterium effect. 1-10 μg/mL of Viomycin can inhibit the growth of most tuberculosis bacilli, the main effect is to inhibit the protein synthesis of bacteria, but bacteria are prone to develop drug resistance. In clinical application, it is only used as a second-line drug to treat tuberculosis. Synonyms: Tuberactinomycin B sulfate salt; celicomycin-sulfate; florimycin sulfate; Vinacetin A sulfate; hexanamide, 3,6-diamino-N-[(3S,6Z,9S,12S,15S)-6-[[(aminocarbonyl)amino]methylene]-3-[(4R,6S)-2-amino-3,4,5,6-tetrahydro-6-hydroxy-4-pyrimidinyl]-9,12-bis(hydroxymethyl)-2,5,8,11,14-pentaoxo-1,4,7,10,13-pentaazacyclohexadec-15-yl]-, (3S)-, sulfate (1:1) (salt). CAS No. 37883-00-4. Molecular formula: C25H43N13O10.H2O4S. Mole weight: 783.77.
Viomycin trihydrochloride
It is a peptide antibiotic produced by the strain of Str. puniceus 1314-5 and Str. floridae A5014. It has broad-spectrum antibacterial and strong anti-mycobacterium effect. 1-10 μg/mL of Viomycin can inhibit the growth of most tuberculosis bacilli, the main effect is to inhibit the protein synthesis of bacteria, but bacteria are prone to develop drug resistance. In clinical application, it is only used as a second-line drug to treat tuberculosis. Synonyms: Florimycin trihydrochloride; Viomycinum trihydrochloride; Vinacetin A trihydrochloride; Hexanamide, 3,6-diamino-N-[(3S,6Z,9S,12S,15S)-6-[[(aminocarbonyl)amino]methylene]-3-[(4R,6S)-2-amino-1,4,5,6-tetrahydro-6-hydroxy-4-pyrimidinyl]-9,12-bis(hydroxymethyl)-2,5,8,11,14-pentaoxo-1,4,7,10,1 3-pentaazacyclohexadec-15-yl]-, (3S)-, hydrochloride (1:3). CAS No. 39750-31-7. Molecular formula: C25H43N13O10.3HCl. Mole weight: 795.07.
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