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Allopurinol EP Impurity A
QCC Cat No.: QA121601
Chemical Name: Allopurinol EP Impurity A
Synonyms: 5-Amino-1H-pyrazole-4-carboxamide
CAS No.: 5334-31-6;27511-79-1(1/2H2SO4 salt)
Molecular Formula: C4H6N4O
Molecular Weight: 126.12
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Standard Reference Material For "Allopurinol EP Impurity A"
Warning:The form of the product salt may be different from the official website,please consult your local agent for details.
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QCC CAT# COMPOUND ORDER
  • QA121619
    Allopurinol Nitroso Impurity 1
    CAS# NA
    M.F.: C4H5N5O2
    M.W.: 155.12
  • QA121618
    N-Nitroso Allopurinol
    CAS# NA
    M.F.: C5H3N5O2
    M.W.: 165.11
  • QA121617
    Allopurinol Impurity 17
    CAS# NA
    M.F.: C8H4N4O2
    M.W.: 188.15
  • QA121616
    Allopurinol Impurity 16
    CAS# NA
    M.F.: C8H11N3O3
    M.W.: 197.19
  • QA121615
    Allopurinol-d2
    CAS# 916979-34-5
    M.F.: C5H2D2N4O
    M.W.: 138.13
  • QA121614
    Allopurinol Impurity 14
    CAS# 853754-87-7
    M.F.: C4H5N3O2
    M.W.: 127.10
  • QA121613
    Allopurinol Impurity 13
    CAS# 478968-51-3
    M.F.: C4H4N2O3
    M.W.: 128.09
  • QA121612
    Allopurinol Impurity 12
    CAS# 52632-26-5
    M.F.: C6H9N3O2
    M.W.: 155.16
  • QA121611
    Allopurinol Impurity 11
    CAS# 41621-10-7
    M.F.: C4H7N5O
    M.W.: 141.13
  • QA121610
    Allopurinol Impurity 10
    CAS# 7251-53-8
    M.F.: C6H8N2O3
    M.W.: 156.14
  • QA121609
    Allopurinol Impurity 9
    CAS# 41680-34-6
    M.F.: C4H5N3O2
    M.W.: 127.10
  • QA121608
    Allopurinol Impurity 8
    CAS# 5334-56-5
    M.F.: C6H6N4O
    M.W.: 150.14
  • QA121607
    Allopurinol EP Impurity F;Dihydralazine EP Impurity B
    CAS# 302-01-2
    M.F.: H4N2
    M.W.: 32.05
  • QA121606
    Allopurinol Related Compound F(Mixture of Z and E Isomers)
    CAS# 321571-07-7
    M.F.: C12H14N4O4
    M.W.: 278.26
  • QA121631
    Allopurinol Nitrile Impurity
    CAS# 16617-46-2
    M.F.: C4H4N4
    M.W.: 108.1
  • QA121605
    Allopurinol EP Impurity E
    CAS# 31055-19-3
    M.F.: C7H9N3O3
    M.W.: 183.16
  • QA121604
    Allopurinol EP Impurity D
    CAS# 6994-25-8
    M.F.: C6H9N3O2
    M.W.: 155.15
  • QA121603
    Allopurinol EP Impurity C
    CAS# 1346604-13-4
    M.F.: C6H6N6O
    M.W.: 178.15
  • QA121602
    Allopurinol EP Impurity B
    CAS# 22407-20-1
    M.F.: C5H6N4O2
    M.W.: 154.13
  • QA121600
    Allopurinol
    CAS# 315-30-0
    M.F.: C5H4N4O
    M.W.: 136.11
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