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Pharma Intermediates & Building Blocks

Pyrimidines, Pyrazines & Pyridazines

Source 104 pyrimidines, pyrazines & pyridazines for research, QC and production, documented with COA and SDS.

162products

13in stock

COA + SDSwith every lot

4-Isopropylpyridazine-3,6-diol, 98% chemical structure

4-Isopropylpyridazine-3,6-diol, 98%

CAS: 1903632-97-2
Formula: C₇H₁₀N₂O₂
MW: 154.17 g/mol

VQ-011953

4-Methylpyrimidine chemical structure

4-Methylpyrimidine

CAS: 3438-46-8
Formula: C₅H₆N₂
MW: 94.11 g/mol

VQ-043704

Synthesis

4-Propyl-2-thiouracil, 98% chemical structure

4-Propyl-2-thiouracil, 98%

CAS: 51-52-5
Formula: C₇H₁₀N₂OS
MW: 170.23 g/mol

VQ-011954

4,5-Dichloro-6-pyridazone chemical structure

4,5-Dichloro-6-pyridazone

CAS: 932-22-9
Formula: C₄H₂Cl₂N₂O
MW: 164.97 g/mol

VQ-049476

4,6-Diamino-2-mercaptopyrimidine, 98% chemical structure

4,6-Diamino-2-mercaptopyrimidine, 98%

CAS: 1004-39-3
Formula: C₄H₆N₄S
MW: 142.19 g/mol

VQ-011942

4,6-Dichloro-5-nitropyrimidine, 97% chemical structure

4,6-Dichloro-5-nitropyrimidine, 97%

CAS: 4316-93-2
Formula: C₄HCl₂N₃O₂
MW: 193.97 g/mol

VQ-011943

4,6-Dichloropyrimidine, 98% chemical structure

4,6-Dichloropyrimidine, 98%

CAS: 1193-21-1
Formula: C₄H₂Cl₂N₂
MW: 148.98 g/mol

VQ-011944

4,6-Dihydroxypyrimidine, 98% chemical structure

4,6-Dihydroxypyrimidine, 98%

CAS: 1193-24-4
Formula: C₄H₄N₂O₂
MW: 112.09 g/mol

VQ-011945

4(3H)-Pyrimidnone, 98% chemical structure

4(3H)-Pyrimidnone, 98%

CAS: 4562-27-0
Formula: C₄H₄N₂O
MW: 96.09 g/mol

VQ-011941

5-Aminoorotic acid, 99% chemical structure

5-Aminoorotic acid, 99%

CAS: 7164-43-4
Formula: C₅H₅N₃O₄
MW: 171.11 g/mol

VQ-011955

5-Aminouracil, 98% chemical structure

5-Aminouracil, 98%

CAS: 932-52-5
Formula: C₄H₅N₃O₂
MW: 127.1 g/mol

VQ-011956

5-Bromo uracil chemical structure

CAS: 51-20-7
Formula: C₄H₃BrN₂O₂
MW: 190.98 g/mol

VQ-046868

AR

5-Bromo uracil, GR 98%+ chemical structure

5-Bromo uracil, GR 98%+

CAS: 51-20-7
Formula: C₄H₃BrN₂O₂
MW: 190.98 g/mol

VQ-011957

5-Bromo-2′-deoxyuridine, 99% chemical structure

5-Bromo-2′-deoxyuridine, 99%

CAS: 59-14-3
Formula: C₉H₁₁BrN₂O₅
MW: 307.1 g/mol

VQ-011958

5-Bromo-3-[(trimethylsilyl)ethynyl]pyrazin-2-amine chemical structure

5-Bromo-3-[(trimethylsilyl)ethynyl]pyrazin-2-amine

CAS: 875781-41-2
Formula: C₉H₁₂BrN₃Si
MW: 270.2 g/mol

VQ-040482

5-Chlorouracil, 98% chemical structure

5-Chlorouracil, 98%

CAS: 1820-81-1
Formula: C₄H₃ClN₂O₂
MW: 146.53 g/mol

VQ-011959

5-Fluoro-2,4-dimethoxypyrimidine chemical structure

5-Fluoro-2,4-dimethoxypyrimidine

CAS: 4330-22-7
Formula: C₆H₇FN₂O₂
MW: 158.13 g/mol

VQ-049422

5-Fluoro-4-hydroxy-2-methoxypyrimidine chemical structure

5-Fluoro-4-hydroxy-2-methoxypyrimidine

CAS: 1480-96-2
Formula: C₅H₅FN₂O₂
MW: 144.1 g/mol

VQ-038866

5-Fluoropyrimidine-2,4-diamine chemical structure

5-Fluoropyrimidine-2,4-diamine

CAS: 155-11-3
Formula: C₄H₅FN₄
MW: 128.11 g/mol

VQ-049421

5-Methyl-2-pyrazinecarboxylic acid, 98% chemical structure

5-Methyl-2-pyrazinecarboxylic acid, 98%

CAS: 5521-55-1
Formula: C₆H₆N₂O₂
MW: 138.12 g/mol

VQ-011960

Reference Standard

5-Methyl-pyrazine-2-carboxylic Acid chemical structure

5-Methyl-pyrazine-2-carboxylic Acid

CAS: 5521-55-1
Formula: C₆H₆N₂O₂
MW: 138.12 g/mol

In stock

5-Methylcytosinehydrochloride, 98% chemical structure

5-Methylcytosinehydrochloride, 98%

CAS: 58366-64-6
Formula: C₅H₈ClN₃O
MW: 161.59 g/mol

VQ-011962

5-O-Tritylthymidine chemical structure

5-O-Tritylthymidine

CAS: 7791-71-1
Formula: C₂₉H₂₈N₂O₅
MW: 484.5 g/mol

VQ-042687

5,6-Diamino-4-pyrimidinecarboxylic acid chemical structure

5,6-Diamino-4-pyrimidinecarboxylic acid

CAS: 16008-49-4
Formula: C₅H₆N₄O₂
MW: 154.13 g/mol

VQ-040839

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