Catalog division

Impurity Reference Standards

Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.

20,060 products6 categories2,050 in stockCOA + SDS with every lot

20,060 products · page 760 of 836

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Sodium butyrate-2-13C

CAS: 286367-62-2
Formula: C₄H₇NaO₂
MW: 111.08 g/mol

ZX-045506

Sodium Calcium Edetate Hydrate

CAS: 23411-34-9
Formula: C₁₀H₁₆CaN₂Na₂O₁₀
MW: 410.3 g/mol

ZX-033360

Sodium Creatine Phosphate

CAS: 71519-72-7
Formula: C₄H₁₆N₃Na₂O₉P
MW: 327.14 g/mol

ZX-035408

Sodium Cromoglicate

CAS: 15826-37-6
Formula: C₂₃H₁₄Na₂O₁₁
MW: 512.3 g/mol

ZX-026968

Sodium Cromoglicate EP Impurity B

CAS: 16150-45-1
Formula: C₂₇H₂₄O₁₁
MW: 524.5 g/mol

ZX-026970

Sodium diethyldithiocarbamate

CAS: 148-18-5
Formula: C₅H₁₀NNaS₂
MW: 171.3 g/mol

ZX-034605

Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)

CAS: 285979-81-9
Formula: C₁₈H₁₉NaO₅S
MW: 374.4 g/mol

ZX-039139

Sodium Estrone-d4 Sulfate

CAS: 285979-80-8
Formula: C₁₈H₂₁NaO₅S
MW: 376.4 g/mol

ZX-033436

Sodium fluoroacetate

CAS: 62-74-8
Formula: C₂H₂FNaO₂
MW: 100.02 g/mol

ZX-036915

Sodium Formaldehydesulfoxylate

CAS: 149-44-0
Formula: CH₄NaO₃S
MW: 119.1 g/mol

ZX-034693

Sodium Fusidate

CAS: 751-94-0
Formula: C₃₁H₄₇NaO₆
MW: 538.7 g/mol

ZX-029668

Sodium Lauryl Sulfoacetate

CAS: 1847-58-1
Formula: C₁₄H₂₇NaO₅S
MW: 330.42 g/mol

ZX-042507

Sodium Myristoyl Sarcosinate

CAS: 30364-51-3
Formula: C₁₇H₃₂NNaO₃
MW: 321.4 g/mol

ZX-034106

Sodium Nafcillin Monohydrate

CAS: 7177-50-6
Formula: C₂₁H₂₃N₂NaO₆S
MW: 454.5 g/mol

ZX-030750

Sodium Nitrite-15N

CAS: 68378-96-1
Formula: NNaO₂
MW: 69.99 g/mol

ZX-043271

Sodium peroxoborate

CAS: 7632-04-4
Formula: BNaO₃
MW: 81.8 g/mol

ZX-046452

Sodium Phenylbutyrate

CAS: 1716-12-7
Formula: C₁₀H₁₁NaO₂
MW: 186.18 g/mol

ZX-026051

Sodium Phenylbutyrate EP impurity C

CAS: 4441-63-8
Formula: C₁₀H₁₈O₂
MW: 170.25 g/mol

ZX-026052

Sodium Picosulfate - Impurity B

CAS: 603-41-8
Formula: C₁₈H₁₅NO₂
MW: 277.3 g/mol

ZX-020028

Sodium Picosulfate Hydrate

CAS: 1307301-38-7
Formula: C₁₈H₁₃NNa₂O₈S₂
MW: 481.4 g/mol

ZX-032522

Sodium Prasterone Sulfate

CAS: 1099-87-2
Formula: C₁₉H₂₇NaO₅S
MW: 390.5 g/mol

ZX-044658

Sodium stearyl maleate

CAS: 5373-51-3
Formula: C₂₂H₃₉NaO₄
MW: 390.5 g/mol

ZX-022788

Sodium Thiophene-2-carboxylate

CAS: 25112-68-9
Formula: C₅H₃NaO₂S
MW: 150.13 g/mol

ZX-042453

Sodium Trifluoroacetate-13C

CAS: 286425-32-9
Formula: C₂F₃NaO₂
MW: 137 g/mol

ZX-045080

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