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Pharmaceutical Reference Standards / Impurity Standards

Allopurinol

Allopurinol

CAT. No.A170000
CAS. No.315-30-0
Mol. F.C5H4N4O
Mol. W.136.11 g/mol
Stock Status:Instock

Allopurinol EP Impurity A

Allopurinol EP Impurity A

CAT. No.A170001
CAS. No.5334-31-6
Mol. F.C4H6N4O
Mol. W.126.12 g/mol
Stock Status:Instock

Allopurinol EP Impurity B

Allopurinol EP Impurity B

CAT. No.A170002
CAS. No.22407-20-1
Mol. F.C5H6N4O2
Mol. W.154.13 g/mol
Stock Status:Instock

Allopurinol EP Impurity B Monohydrate

Allopurinol EP Impurity B Monohydrate

CAT. No.A170002B
CAS. No.22407-20-1(Free base)
Mol. F.C5H8N4O3
Mol. W.172.14 g/mol
Stock Status:Instock

Allopurinol EP Impurity C

Allopurinol EP Impurity C

CAT. No.A170003
CAS. No.1346604-13-4
Mol. F.C6H6N6O
Mol. W.178.15 g/mol
Stock Status:Instock

Allopurinol EP Impurity D

Allopurinol EP Impurity D

CAT. No.A170004
CAS. No.6994-25-8
Mol. F.C6H9N3O2
Mol. W.155.15 g/mol
Stock Status:Instock

Allopurinol EP Impurity E

Allopurinol EP Impurity E

CAT. No.A170005
CAS. No.31055-19-3
Mol. F.C7H9N3O3
Mol. W.183.16 g/mol
Stock Status:Instock

Allopurinol USP Related Compound F

Allopurinol USP Related Compound F

CAT. No.A170006
CAS. No.321571-07-7
Mol. F.C12H14N4O4
Mol. W.278.26 g/mol
Stock Status:Instock

Allopurinol Related Compound A

Allopurinol Related Compound A

CAT. No.A170009
CAS. No.27511-79-1(freebase)
Mol. F.C4H6N4O.1/2H2O4S.1/2H2O
Mol. W.184.17 g/mol
Stock Status:Instock

Oxypurinol

Oxypurinol

CAT. No.A170010
CAS. No.2465-59-0
Mol. F.C5H4N4O2
Mol. W.152.11 g/mol
Stock Status:Instock

3-Morpholino-2-cyanoacrylamide

3-Morpholino-2-cyanoacrylamide

CAT. No.A170011
CAS. No.NA
Mol. F.C8H11N3O2
Mol. W.181.19 g/mol
Stock Status:Custom Synthesis

Allopurinol Riboside

Allopurinol Riboside

CAT. No.A170013
CAS. No.NA
Mol. F.C10H12N4O5
Mol. W.268.23 g/mol
Stock Status:Instock

2-Cyano-3-Ethoxy-Acrylic Acid Ethyl Ester

2-Cyano-3-Ethoxy-Acrylic Acid Ethyl Ester

CAT. No.A170014
CAS. No.94-05-3
Mol. F.C8H11NO3
Mol. W.169.18 g/mol
Stock Status:Instock

1-Nitroso-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

1-Nitroso-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

CAT. No.A170017
CAS. No.NA
Mol. F.C5H3N5O2
Mol. W.165.10 g/mol
Stock Status:Custom Synthesis

(E)-2-cyano-3-(dimethylamino)acrylamide

(E)-2-cyano-3-(dimethylamino)acrylamide

CAT. No.A170018
CAS. No.NA
Mol. F.C6H9N3O
Mol. W.139.16 g/mol
Stock Status:Custom Synthesis

(Z)-2-Cyano-3-Morpholinoacrylamide

(Z)-2-Cyano-3-Morpholinoacrylamide

CAT. No.A170019
CAS. No.NA
Mol. F.C8H11N3O2
Mol. W.181.19 g/mol
Stock Status:Custom Synthesis

Allopurinol Impurity 2

Allopurinol Impurity 2

CAT. No.A170021
CAS. No.NA
Mol. F.C5H6N4O2.HCl
Mol. W.190.59 g/mol
Stock Status:Custom Synthesis

Allopurinol Impurity 5

Allopurinol Impurity 5

CAT. No.A170022
CAS. No.4862-18-4
Mol. F.C6H12N4O3
Mol. W.188.18 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Allopurinol-D2

Allopurinol-D2

CAT. No.A170007
CAS. No.916979-34-5
Mol. F.C5H2D2N4O
Mol. W.138.12 g/mol
Stock Status:Instock

Oxypurinol -13C,15N2

Oxypurinol -13C,15N2

CAT. No.A170008
CAS. No.NA
Mol. F.C413CH4N215N2O2
Mol. W.155.09 g/mol
Stock Status:Instock

Allopurinol-13C,15N2

Allopurinol-13C,15N2

CAT. No.A170012
CAS. No.NA
Mol. F.C413CH4N215N2O
Mol. W.139.09 g/mol
Stock Status:Custom Synthesis

1H-pyrazolo[4,3-c]pyridin-4(5H)-one

1H-pyrazolo[4,3-c]pyridin-4(5H)-one

CAT. No.A170015
CAS. No.NA
Mol. F.C6H5N3O
Mol. W.135.12 g/mol
Stock Status:Instock

Allopurinol-13C,15N2, D2

Allopurinol-13C,15N2, D2

CAT. No.A170016
CAS. No.2465-59-0unlabelled
Mol. F.C413CH2D2N215N2O
Mol. W.141.1 g/mol
Stock Status:Custom Synthesis

Allopurinol-13C3-15N

Allopurinol-13C3-15N

CAT. No.A170020
CAS. No.NA
Mol. F.C213C3H4N315NO
Mol. W.140.08 g/mol
Stock Status:Custom Synthesis