Impurity Reference Standards

Stable Isotope Labelled Standards (Deuterated, 13C, 15N)

Deuterated, 13C and 15N labelled APIs, metabolites and impurities for use as internal standards in LC-MS bioanalysis and trace testing.

976 productsCOA + SDS with every lot

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2-Benzothiazolethiol-d4

CAS: 1346598-64-8
Formula: C₇H₅NS₂
MW: 171.3 g/mol

ZX-043205

2-Bromopropane-d6

CAS: 52809-76-4
Formula: C₃H₇Br
MW: 129.03 g/mol

ZX-043209

2-Bromopropane-d7

CAS: 39091-63-9
Formula: C₃H₇Br
MW: 130.03 g/mol

ZX-035902

2-Bromopyridine-d4

CAS: 70766-71-1
Formula: C₅H₄BrN
MW: 162.02 g/mol

ZX-043210

2-Butanone D5

CAS: 24313-50-6
Formula: C₄H₈O
MW: 77.14 g/mol

ZX-045245

2-Chloro-N,N-dimethylethylamine-d6 Hydrochloride

CAS: 97941-91-8
Formula: C₄H₁₁Cl₂N
MW: 150.08 g/mol

ZX-028565

2-Chloroaniline-13C6 hydrochloride

CAS: 1261170-86-8
Formula: C₆H₇Cl₂N
MW: 169.99 g/mol

ZX-045229

2-Chlorobiphenyl-2',3',4',5',6'-d5

CAS: 51624-35-2
Formula: C₁₂H₉Cl
MW: 193.68 g/mol

ZX-046750

2-Chloroethanol-1,1,2,2-d4

CAS: 117067-62-6
Formula: C₂H₅ClO
MW: 84.54 g/mol

ZX-035050

2-Chlorophenol-3,4,5,6-d4

CAS: 93951-73-6
Formula: C₆H₅ClO
MW: 132.58 g/mol

ZX-034957

2-Chloropyridine d4

CAS: 1001003-94-6
Formula: C₅H₄ClN
MW: 117.57 g/mol

ZX-043216

2-Deoxy-D-glucose-1-13C

CAS: 201612-55-7
Formula: C₆H₁₂O₅
MW: 165.15 g/mol

ZX-034703

2-Hydroxy Fluorene-d9

CAS: 922510-18-7
Formula: C₁₃H₁₀O
MW: 191.27 g/mol

ZX-043240

2-Iodoethanol-d4

CAS: 284474-46-0
Formula: C₂H₅IO
MW: 175.99 g/mol

ZX-044868

2-Iodopropane-d7

CAS: 101927-33-7
Formula: C₃H₇I
MW: 177.03 g/mol

ZX-044203

2-Isopropyl D7-thioxanthen-9-one

CAS: 1173019-24-3
Formula: C₁₆H₁₄OS
MW: 261.4 g/mol

ZX-044744

2-Methoxy-d3-benzaldehyde

CAS: 56248-49-8
Formula: C₈H₈O₂
MW: 139.17 g/mol

ZX-045209

2-Methoxyacetic Acid-d3

CAS: 345910-00-1
Formula: C₃H₆O₃
MW: 93.1 g/mol

ZX-043251

2-Methylnaphthalene d10

CAS: 7297-45-2
Formula: C₁₁H₁₀
MW: 152.26 g/mol

ZX-043253

2-Methylpentane-d14

CAS: 284487-65-6
Formula: C₆H₁₄
MW: 100.26 g/mol

ZX-046899

2-Methylpropionic Acid-d7

CAS: 223134-74-5
Formula: C₄H₈O₂
MW: 95.15 g/mol

ZX-043247

2-Naphthol-d7

CAS: 78832-54-9
Formula: C₁₀H₈O
MW: 151.21 g/mol

ZX-043257

2-NP-AMOZ-d5

CAS: 1173097-59-0
Formula: C₁₅H₁₈N₄O₅
MW: 339.36 g/mol

ZX-044308

2-Pentanone-1,1,1,3,3-d5

CAS: 24313-49-3
Formula: C₅H₁₀O
MW: 91.16 g/mol

ZX-046954

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