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Levocetirizine Amide Impurity

Synonym

(R)-2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetamide

Molecular Formula

C21H26ClN3O2

Molecular Weight

387.91

Catalogue Number

AR-C02352

Parent Drug

CETIRIZINE

CAS Number

909779-33-5
2-(2-(2-(4-((2-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethoxy)acetic acid

Synonym

2-(2-(2-(4-((2-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethoxy)acetic acid

Molecular Formula

C23H29ClN2O4

Molecular Weight

432.95

Catalogue Number

AR-C02351

Parent Drug

CETIRIZINE
1-hydroxypropan-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate compound with 2-hydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate (1:1) tetrahydrochloride

Synonym

1-hydroxypropan-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate compound with 2-hydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate (1:1) tetrahydrochloride

Molecular Formula

C24H31ClN2O4. 2 HCl

Molecular Weight

446.97 2 36.46

Catalogue Number

AR-C02350

Parent Drug

CETIRIZINE
4-Chlorobenzhydryl Chloride

Synonym

1-chloro-4-(chloro(phenyl)methyl)benzene

Molecular Formula

C13H10Cl2

Molecular Weight

237.12

Catalogue Number

AR-C02349

Parent Drug

CETIRIZINE

CAS Number

134-83-8
1-hydroxypropan-2-yl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate compound with 2-hydroxypropyl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate (1:1) tetrahydrochloride

Synonym

1-hydroxypropan-2-yl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate compound with 2-hydroxypropyl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate (1:1) tetrahydrochloride

Molecular Formula

C24H31ClN2O4. 2 HCl

Molecular Weight

446.97 2 36.46

Catalogue Number

AR-C02348

Parent Drug

CETIRIZINE
1-hydroxypropan-2-yl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate compound with 2-hydroxypropyl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate (1:1) tetrahydrochloride

Synonym

1-hydroxypropan-2-yl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate compound with 2-hydroxypropyl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate (1:1) tetrahydrochloride

Molecular Formula

C24H31ClN2O4. 2 HCl

Molecular Weight

446.98 2 36.46

Catalogue Number

AR-C02347

Parent Drug

CETIRIZINE
2-hydroxypropyl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Synonym

2-hydroxypropyl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Molecular Formula

C24H31ClN2O4

Molecular Weight

446.97

Catalogue Number

AR-C02346

Parent Drug

CETIRIZINE
2-hydroxypropyl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Synonym

2-hydroxypropyl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Molecular Formula

C24H31ClN2O4

Molecular Weight

446.97

Catalogue Number

AR-C02345

Parent Drug

CETIRIZINE
1-hydroxypropan-2-yl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate dihydrochloride

Synonym

1-hydroxypropan-2-yl 2-(2-(4-((S)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate dihydrochloride

Molecular Formula

C24H31ClN2O4

Molecular Weight

446.97

Catalogue Number

AR-C02344

Parent Drug

CETIRIZINE
1-hydroxypropan-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Synonym

1-hydroxypropan-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Molecular Formula

C22H29ClN2O2

Molecular Weight

388.94

Catalogue Number

AR-C02343

Parent Drug

CETIRIZINE
Cetirizine Ethyl Ester DiHCl

Synonym

ethyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate dihydrochloride

Molecular Formula

C23H29ClN2O3. 2 HCl

Molecular Weight

416.95 2 36.46

Catalogue Number

AR-C02342

Parent Drug

CETIRIZINE

CAS Number

246870-46-2 (free base)
N-Benzyl Aziridine

Synonym

1-benzylaziridine

Molecular Formula

C9H11N

Molecular Weight

133.19

Catalogue Number

AR-C02341

Parent Drug

CETIRIZINE

CAS Number

1074-42-6
Cetirizine 6'-O-Lactose Ester HCl (Mixture of alpha and beta Isomers HCl)

Synonym

((2R,3R,4S,5R,6S)-3,4,5-trihydroxy-6-(((2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate hydrochloride

Molecular Formula

C33H45ClN2O13. HCl

Molecular Weight

713.19 36.46

Catalogue Number

AR-C02340

Parent Drug

CETIRIZINE
2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetamide dihydrochloride

Synonym

2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetamide dihydrochloride

Molecular Formula

C21H26ClN3O2. 2HCl

Molecular Weight

387.91 2 36.46

Catalogue Number

AR-C02339

Parent Drug

CETIRIZINE

CAS Number

200707-85-3
1-((4-chlorophenyl)(phenyl)methyl)-4-(phenylsulfonyl)piperazine

Synonym

1-((4-chlorophenyl)(phenyl)methyl)-4-(phenylsulfonyl)piperazine

Molecular Formula

C23H23ClN2O2S

Molecular Weight

426.97

Catalogue Number

AR-C02338

Parent Drug

CETIRIZINE

CAS Number

1391052-52-0
N,N-bis(2-chloroethyl)benzenesulfonamide

Synonym

N,N-bis(2-chloroethyl)benzenesulfonamide

Molecular Formula

C10H13ClNO2S

Molecular Weight

282.19

Catalogue Number

AR-C02337

Parent Drug

CETIRIZINE

CAS Number

58023-19-1
2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethanol

Synonym

2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethanol

Molecular Formula

C19H23ClN2O

Molecular Weight

330.86

Catalogue Number

AR-C02336

Parent Drug

CETIRIZINE

CAS Number

109806-71-5
2-(2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethoxy)acetic acid

Synonym

2-(2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethoxy)acetic acid

Molecular Formula

C23H29ClN2O4

Molecular Weight

432.95

Catalogue Number

AR-C02335

Parent Drug

CETIRIZINE

CAS Number

N/A
2-(2-(4-((2-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid

Synonym

2-(2-(4-((2-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid

Molecular Formula

C21H25ClN2O3

Molecular Weight

388.90

Catalogue Number

AR-C02334

Parent Drug

CETIRIZINE

CAS Number

N/A
2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid

Synonym

2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid

Molecular Formula

C19H21ClN2O2

Molecular Weight

344.84

Catalogue Number

AR-C02333

Parent Drug

CETIRIZINE

CAS Number

113740-61-7
1-hydroxypropan-2-yl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate dihydrochloride

Synonym

1-hydroxypropan-2-yl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate dihydrochloride

Molecular Formula

C24H31ClN2O4

Molecular Weight

446.97

Catalogue Number

AR-C02332

Parent Drug

CETIRIZINE
Cetirizine Impurity Y

Synonym

(R)-2-(4-methylphenylsulfonamido)pentanedioic acid

Molecular Formula

C12H15NO6S

Molecular Weight

301.32

Catalogue Number

AR-C02331

Parent Drug

CETIRIZINE
Cetirizine Sorbitol Ester Impurity HCl (Mixture of Diastereomers)

Synonym

(2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate hydrochloride

Molecular Formula

C27H37ClN2O8. HCl

Molecular Weight

553.06 36.46

Catalogue Number

AR-C02330

Parent Drug

CETIRIZINE

CAS Number

13848888-64-5 (free base)
Cetirizine N,N-Dioxide DiHCl

Synonym

1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazine 1,4-dioxide dihydrochloride

Molecular Formula

C21H25ClN2O5. 2 HCl

Molecular Weight

420.90 2 36.46

Catalogue Number

AR-C02329

Parent Drug

CETIRIZINE
(R)-Cetirizine Polyethylene Glycol Ester

Molecular Formula

C21H25ClN2O3[C2H4O]n

Molecular Weight

388.90[44.05]n

Catalogue Number

AR-C02328

Parent Drug

CETIRIZINE

CAS Number

1509941-93-8 (racemic)
(R)-N-benzyl-2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetamide

Synonym

(R)-N-benzyl-2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetamide

Molecular Formula

C28H32ClN3O2

Molecular Weight

478.03

Catalogue Number

AR-C02327

Parent Drug

CETIRIZINE

CAS Number

1150310-68-1
N-Benzyl-2-[2-[(2-hydroxyethyl)amino]ethoxy]acetamide)

Synonym

N-benzyl-2-(2-((2-hydroxyethyl)amino)ethoxy)acetamide

Molecular Formula

C13H20N2O3

Molecular Weight

252.32

Catalogue Number

AR-C02326

Parent Drug

CETIRIZINE

CAS Number

1391053-09-0
Cetirizine EP Impurity D DiHCl

Synonym

1,4-bis((4-chlorophenyl)(phenyl)methyl)piperazine dihydrochloride

Molecular Formula

C30H28Cl2N2. 2 HCl

Molecular Weight

487.48 2 36.46

Catalogue Number

AR-C02325

Parent Drug

CETIRIZINE

CAS Number

856841-95-7
Cetirizine N-Oxide DiHCl

Synonym

1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazine 1-oxide dihydrochloride

Molecular Formula

C21H25ClN2O4. 2 HCl

Molecular Weight

404.89 2 36.46

Catalogue Number

AR-C02324

Parent Drug

CETIRIZINE

CAS Number

1076199-80-8 (free base)
(R)-Cetirizine N-Oxide DiHCl (Levocetirizine N-Oxide DiHCl)

Synonym

(R)-1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazine 1-oxide dihydrochloride

Molecular Formula

C21H25ClN2O4. 2 HCl

Molecular Weight

404.89 2 36.46

Catalogue Number

AR-C02323

Parent Drug

CETIRIZINE

CAS Number

442863-80-1 (free base)
Cetirizine 3-Chloro Impurity

Synonym

2-(2-(4-((3-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid

Molecular Formula

C21H25ClN2O3

Molecular Weight

388.89

Catalogue Number

AR-C02322

Parent Drug

CETIRIZINE

CAS Number

1232460-31-9
Cetirizine DiHCl

Synonym

2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid dihydrochloride

Molecular Formula

C21H25ClN2O3. 2 HCl

Molecular Weight

388.89 2 36.46

Catalogue Number

AR-C02321

Parent Drug

CETIRIZINE

CAS Number

83881-52-1
Cetirizine Related Compound D

Synonym

ethyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Molecular Formula

C22H27ClN2O3

Molecular Weight

402.93

Catalogue Number

AR-C02320

Parent Drug

CETIRIZINE

CAS Number

N/A
Cetirizine Glycerol Ester Impurity HCl

Synonym

2,3-dihydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate hydrochloride

Molecular Formula

C24H31ClN2O5. HCl

Molecular Weight

462.98 36.46

Catalogue Number

AR-C02319

Parent Drug

CETIRIZINE

CAS Number

1243652-36-9 (free base)
isobutyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Synonym

isobutyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Molecular Formula

C24H31ClN2O4

Molecular Weight

446.98

Catalogue Number

AR-C02318

Parent Drug

CETIRIZINE
Cetirizine EP Impurity D

Synonym

1,4-bis((4-chlorophenyl)(phenyl)methyl)piperazine

Molecular Formula

C30H28Cl2N2

Molecular Weight

487.47

Catalogue Number

AR-C02317

Parent Drug

CETIRIZINE

CAS Number

346451-15-8
4-Chloro Benzhydrol (Meclozine EP Impurity B)

Synonym

(4-chlorophenyl)(phenyl)methanol

Molecular Formula

C13H11ClO

Molecular Weight

218.69

Catalogue Number

AR-C02316

Parent Drug

CETIRIZINE

CAS Number

119-56-2
Cetirizine Methyl Ester HCl

Synonym

methyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate hydrochloride

Molecular Formula

C22H27ClN2O3. HCl

Molecular Weight

402.93 36.46

Catalogue Number

AR-C02315

Parent Drug

CETIRIZINE
Cetirizine EP Impurity F

Synonym

2-(2-(4-benzhydrylpiperazin-1-yl)ethoxy)acetic acid

Molecular Formula

C21H26N2O3

Molecular Weight

354.44

Catalogue Number

AR-C02314

Parent Drug

CETIRIZINE

CAS Number

83881-53-2
(R)-Cetirizine EP Impurity A

Synonym

(R)-1-((4-chlorophenyl)(phenyl)methyl)piperazine

Molecular Formula

C17H19ClN2

Molecular Weight

286.80

Catalogue Number

AR-C02313

Parent Drug

CETIRIZINE

CAS Number

300543-56-0
Cetirizine Lactose Ester

Synonym

(2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Molecular Formula

C33H45ClN2O13

Molecular Weight

713.19

Catalogue Number

AR-C02312

Parent Drug

CETIRIZINE
4-Chlorobenzophenone

Synonym

(4-chlorophenyl)(phenyl)methanone

Molecular Formula

C13H9ClO

Molecular Weight

216.66

Catalogue Number

AR-C02311

Parent Drug

CETIRIZINE

CAS Number

134-85-0
2-(4-benzhydrylpiperazin-1-yl)ethanol dihydrochloride

Synonym

2-(4-benzhydrylpiperazin-1-yl)ethanol dihydrochloride

Molecular Formula

C19H24N2O. 2 HCl

Molecular Weight

296.41 2 36.46

Catalogue Number

AR-C02310

Parent Drug

CETIRIZINE

CAS Number

108983-83-1
2-(2-(1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-ium-1-yl)ethoxy)acetate

Synonym

2-(2-(1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-ium-1-yl)ethoxy)acetate

Molecular Formula

C25H31ClN2O6

Molecular Weight

490.98

Catalogue Number

AR-C02309

Parent Drug

CETIRIZINE
1-Benzylaziridin-2-one

Synonym

1-benzylaziridin-2-one

Molecular Formula

C9H9NO

Molecular Weight

147.18

Catalogue Number

AR-C02308

Parent Drug

CETIRIZINE
[2-[4-[4-chlorophenylmethyl]-1-piperazinyl]-ethoxy]acetamide

Synonym

2-(2-(4-(4-chlorobenzyl)piperazin-1-yl)ethoxy)acetamide

Molecular Formula

C15H22ClN3O2

Molecular Weight

311.81

Catalogue Number

AR-C02307

Parent Drug

CETIRIZINE
N-Benzyl-2-chloro-N(chloroacetyl)acetamide

Synonym

N-benzyl-2-chloro-N-(2-chloroacetyl)acetamide

Molecular Formula

C11H11Cl2NO2

Molecular Weight

260.12

Catalogue Number

AR-C02306

Parent Drug

CETIRIZINE
2-Chlorobenzhydryl amine

Synonym

(2-chlorophenyl)(phenyl)methanamine

Molecular Formula

C13H12ClN

Molecular Weight

217.70

Catalogue Number

AR-C02305

Parent Drug

CETIRIZINE

CAS Number

5267-39-0
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