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Allopurinol EP Impurity A

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Chemical Name: 5-amino-1H-pyrazole-4-carboxamide (as per EP) ; 3-Amino-4-carboxamidopyrazole (as per USP)
CAT No: VS-A038001
CAS No: 27511-79-1
Mol.F. 2(C4H6N4O) : H2O4S
Mol.Wt.: 2(126.1) : 98.1
Status: In Stock


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Allopurinol

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CAT No: VS-A038000
CAS No: 315-30-0
Mol.F.: C5H4N4O
Mol.Wt.: 136.1
Status: Custom Synthesis

Allopurinol EP Impurity A

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CAT No: VS-A038001
CAS No: 27511-79-1
Mol.F.: 2(C4H6N4O) : H2O4S
Mol.Wt.: 2(126.1) : 98.1
Status: In Stock

Allopurinol EP Impurity B

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CAT No: VS-A038002
CAS No: 22407-20-1
Mol.F.: C5H6N4O2
Mol.Wt.: 154.1
Status: Custom Synthesis

Allopurinol EP Impurity C

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CAT No: VS-A038003
CAS No: 1346604-13-4
Mol.F.: C6H6N6O
Mol.Wt.: 178.2
Status: Custom Synthesis

Allopurinol EP Impurity D

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CAT No: VS-A038004
CAS No: 6994-25-8
Mol.F.: C6H9N3O2
Mol.Wt.: 155.2
Status: Custom Synthesis

Allopurinol EP Impurity E

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CAT No: VS-A038005
CAS No: 31055-19-3
Mol.F.: C7H9N3O3
Mol.Wt.: 183.2
Status: Custom Synthesis

Allopurinol EP Impurity F

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CAT No: VS-A038006
CAS No: 302-01-2
Mol.F.: H4N2
Mol.Wt.: 32.1
Status: Custom Synthesis

Allopurinol Nitrile Impurity

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CAT No: VS-A038007
CAS No: 16617-46-2
Mol.F.: C4H4N4
Mol.Wt.: 108.1
Status: Custom Synthesis

Allopurinol Related Compound F

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CAT No: VS-A038008
CAS No: 321571-07-7
Mol.F.: C12H14N4O4
Mol.Wt.: 278.3
Status: Custom Synthesis

Allopurinol USP Related Compound F

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CAT No: VS-A038009
CAS No: N/A
Mol.F.: C12H14N4O4
Mol.Wt.: 278.3
Status: Custom Synthesis

Allopurinol Impurity 1

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CAT No: VS-A038010
CAS No: N/A
Mol.F.: C8H8N6O2
Mol.Wt.: 220.2
Status: Custom Synthesis

Allopurinol Impurity F (Hydrate)

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CAT No: VS-A038011
CAS No: 10217-52-4
Mol.F.: N2H4.xH20
Mol.Wt.: 50.06
Status: Custom Synthesis
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