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Pharmaceutical Impurity Reference Standards

Process impurities, degradation products and genotoxic impurity reference standards with full characterization.

Bosentan Impurity N8 structure

Bosentan Impurity N8

CAS: 329923-15-1

In Stock97%+

Aprepitant impurity 50 structure

Aprepitant impurity 50

CAS: 349-59-7

In Stock97%+

Varenicline Dioxo Impurity structure

Varenicline Dioxo Impurity

CAS: 357424-07-8

In Stock97%+

Varenicline Impurity  C61 structure

Varenicline Impurity  C61

CAS: 357424-12-5

In Stock97%+

Dinoprost EP Impurity B structure

Dinoprost EP Impurity B

CAS: 37658-84-7

In Stock97%+

Edoxaban impurity 101 structure

Edoxaban impurity 101

CAS: 39620-04-7

In Stock>95%

Terfenadine EP Impurity A structure

Terfenadine EP Impurity A

CAS: 43076-30-8

In Stock97%+

Ubidecarenone Impurity 14 (Coenzyme Q4) structure

Ubidecarenone Impurity 14 (Coenzyme Q4)

CAS: 4370-62-1

In Stock97%+

Clebopride EP Impurity B structure

Clebopride EP Impurity B

CAS: 50541-93-0

In Stock97%+

Roxadustat Impurity N7 structure

Roxadustat Impurity N7

CAS: 51-80-9

In Stock97%+

Tinidazole Impurity N1 structure

Tinidazole Impurity N1

CAS: 52455-84-2

In Stock97%+

57526-81-5 M4G34404CX Prenalterol Prenalterol [INN:BAN] Phenol, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, (S)- H 133/22 BRN 5740338 CGP 7760B EINECS 260-791-5 (S)-4-(2-Hydroxy-3-((1-methylethyl)amino)propoxy)phenol Prenalterolum [INN-Latin] Prenalterolum UNII-M4G34404CX structure

57526-81-5 M4G34404CX Prenalterol Prenalterol [INN:BAN] Phenol, 4-(2-hydroxy-3-((1-methylethyl)amino)propoxy)-, (S)- H 133/22 BRN 5740338 CGP 7760B EINECS 260-791-5 (S)-4-(2-Hydroxy-3-((1-methylethyl)amino)propoxy)phenol Prenalterolum [INN-Latin] Prenalterolum UNII-M4G34404CX

CAS: 57526-81-5

In Stock97%+

Lusutrombopag Impurity N6 structure

Lusutrombopag Impurity N6

CAS: 67442-07-3

In Stock97%+

Milnacipran impurity 01 structure

Milnacipran impurity 01

CAS: 69160-65-2

In Stock97%+

Bromfenac Impurity N17 structure

Bromfenac Impurity N17

CAS: 70803-94-0

In Stock97%+

Prothioconazole impurity N1 structure

Prothioconazole impurity N1

CAS: 708263-86-9

In Stock97%+

Fluocinolone Acetonide Impurity N3 structure

Fluocinolone Acetonide Impurity N3

CAS: 72498-89-6

In Stock97%+

Cefixime Impurity C68 structure

Cefixime Impurity C68

CAS: 74440-05-4

In Stock97%+

Isoproturon Impurity 1 structure

Isoproturon Impurity 1

CAS: 797790-90-0

In Stock>95%

Progesterone Impurity N47 structure

Progesterone Impurity N47

CAS: 82182-55-6

In Stock97%+

Rosuvastatin Impurity N1 structure

Rosuvastatin Impurity N1

CAS: 849470-61-7

In Stock97%+

Urapidil Impurity N16 structure

Urapidil Impurity N16

CAS: 874-14-6

In Stock97%+

Ertapenem Impurity C90 structure

Ertapenem Impurity C90

CAS: 87691-27-8

In Stock97%+

Ticlopidine EP Impurity C structure

Ticlopidine EP Impurity C

CAS: 89-97-4

In Stock97%+

Telmisartan Impurity N4 structure

Telmisartan Impurity N4

CAS: 89323-10-4

In Stock97%+

Pentazocine Impurity N1 structure

Pentazocine Impurity N1

CAS: 90278-52-7

In Stock97%+

914777-33-6 Oxazolidinone Dimer Impurity structure

914777-33-6 Oxazolidinone Dimer Impurity

CAS: 914777-33-6

In Stock97%+

Noscapine impurity N1 structure

Noscapine impurity N1

CAS: 92621-03-9

In Stock97%+

Gadodiamide EP Impurity B Disodium Salt structure

Gadodiamide EP Impurity B Disodium Salt

CAS: 92923-64-3

In Stock97%+

Piribedil Impurity N3 structure

Piribedil Impurity N3

CAS: 931-63-5

In Stock97%+

Baricitinib Impurity N2 structure

Baricitinib Impurity N2

CAS: 941685-27-4

In Stock97%+

Meropenem Impurity C82 structure

Meropenem Impurity C82

CAS: 96034-57-0

In Stock97%+

Nateglinide EP Impurity B structure

Nateglinide EP Impurity B

CAS: 105816-05-5

In Stock97%+

Ranitidine EP Impurity D structure

Ranitidine EP Impurity D

CAS: 117846-02-3

In Stock97%+

rac-Atomoxetine EP Impurity C structure

rac-Atomoxetine EP Impurity C

CAS: 56161-78-5

In Stock97%+

阿比特龙杂质18 structure

阿比特龙杂质18

CAS: 165334-72-5

In Stock97%+

阿法替尼杂质28 structure

阿法替尼杂质28

CAS: 2414260-31-2

In Stock97%+

阿法替尼杂质QJJ structure

阿法替尼杂质QJJ

CAS: 2323570-72-3

In Stock97%+

阿福特罗杂质 structure

阿福特罗杂质

CAS: 1361398-65-3

In Stock97%+

阿伐曲波帕杂质50 structure

阿伐曲波帕杂质50

CAS: 1519427-10-1

In Stock97%+

阿伐曲波帕杂质55 structure

阿伐曲波帕杂质55

CAS: 1039808-70-2

In Stock97%+

奥卡西平杂质7 structure

奥卡西平杂质7

CAS: 293749-58-3

In Stock97%+

阿立哌唑杂质22 structure

阿立哌唑杂质22

CAS: 129722-22-1

In Stock97%+

阿普斯特杂质36 structure

阿普斯特杂质36

CAS: 144841-10-1

In Stock97%+

阿普斯特杂质37 structure

阿普斯特杂质37

CAS: 200709-36-0

In Stock97%+

阿瑞匹坦中间体杂质-（SRR） structure

阿瑞匹坦中间体杂质-（SRR）

CAS: 1333998-21-2

In Stock97%+

阿瑞匹坦杂质17 structure

阿瑞匹坦杂质17

CAS: 327623-35-8

In Stock97%+

阿托伐他汀杂质13 structure

阿托伐他汀杂质13

CAS: 2204368-96-5

In Stock97%+

AZD9291杂质11073 structure

AZD9291杂质11073

CAS: 2090542-70-2

In Stock97%+

AZD9291杂质11072 structure

AZD9291杂质11072

CAS: 2090543-16-9

In Stock97%+

艾普拉唑杂质SM1-F structure

艾普拉唑杂质SM1-F

CAS: 1093261-38-1

In Stock97%+

Ilaprazole Impurity N2 structure

Ilaprazole Impurity N2

CAS: 1018229-57-6

In Stock97%+

艾沙康唑杂质63 structure

艾沙康唑杂质63

CAS: 338990-64-0

In Stock97%+

奥氮平杂质9 structure

奥氮平杂质9

CAS: 2554975-45-8

In Stock97%+

奥氮平杂质G盐酸盐 structure

奥氮平杂质G盐酸盐

CAS: 161696-76-0（free base）

In Stock97%+

奥硝唑杂质G structure

奥硝唑杂质G

CAS: 16935-05-0

In Stock97%+

Eltrombopag Impurity N23 structure

Eltrombopag Impurity N23

CAS: 2500321-37-7

In Stock>95%

Belumosudil Impurity N7 structure

Belumosudil Impurity N7

CAS: 911419-33-5

In Stock97%+

Bempedoic Acid impurity N20 structure

Bempedoic Acid impurity N20

CAS: 7443-29-0

In Stock97%+

贝派度酸杂质28 structure

贝派度酸杂质28

CAS: 61278-80-6

In Stock97%+

吡贝地尔杂质2 structure

吡贝地尔杂质2

CAS: 32231-06-4 （free base）

In Stock97%+

Piribedil Impurity N5 structure

Piribedil Impurity N5

CAS: 1022849-90-6

In Stock97%+

吡贝地尔杂质16 structure

吡贝地尔杂质16

CAS: 42123-22-8

In Stock97%+

吡格列酮杂质3 structure

吡格列酮杂质3

CAS: 474659-00-2

In Stock97%+

吡格列酮杂质4 structure

吡格列酮杂质4

CAS: 1207681-52-4

In Stock97%+

吡格列酮杂质5 structure

吡格列酮杂质5

CAS: 1207681-51-3

In Stock97%+

吡格列酮杂质8 structure

吡格列酮杂质8

CAS: 1333110-79-4

In Stock97%+

吡格列酮杂质9 structure

吡格列酮杂质9

CAS: 1333112-32-5

In Stock97%+

比拉斯汀杂质7 structure

比拉斯汀杂质7

CAS: 1178710-88-7

In Stock97%+

丙戊酸杂质18 structure

丙戊酸杂质18

CAS: 93692-15-0

In Stock97%+

泊沙康唑杂质90 structure

泊沙康唑杂质90

CAS: 161532-52-1

In Stock97%+

左布比卡因杂质1盐酸盐 structure

左布比卡因杂质1盐酸盐

CAS: 109964-71-8

In Stock97%+

布替萘芬杂质13 structure

布替萘芬杂质13

CAS: 101846-86-0

In Stock97%+

布瑞哌唑杂质37 structure

布瑞哌唑杂质37

CAS: 2019119-44-7

In Stock97%+

Baloxavir Impurity C19 structure

Baloxavir Impurity C19

CAS: 1985606-48-1

In Stock97%+

雌二醇相关杂质3 structure

雌二醇相关杂质3

CAS: 22145-35-3

In Stock97%+

达沙替尼杂质23 structure

达沙替尼杂质23

CAS: 1654008-88-4

In Stock97%+

去氧胆酸杂质6 structure

去氧胆酸杂质6

CAS: 1093397-74-0

In Stock97%+

Deoxycholic acid C16 structure

Deoxycholic acid C16

CAS: 1311972-97-0

In Stock97%+

地芬尼多杂质4盐酸盐 structure

地芬尼多杂质4盐酸盐

CAS: 94908-95-9

In Stock97%+

多潘立酮杂质19 structure

多潘立酮杂质19

CAS: 62780-92-1

In Stock97%+

Buspirone EP Impurity I Oxalate structure

Buspirone EP Impurity I Oxalate

CAS: 2725354-99-2

In Stock97%+

多奈哌齐杂质12 structure

多奈哌齐杂质12

CAS: 388115-12-6

In Stock97%+

多奈哌齐杂质18(非对映异构体混合物) structure

多奈哌齐杂质18(非对映异构体混合物)

CAS: 2069210-84-8

In Stock97%+

多奈哌齐杂质19 structure

多奈哌齐杂质19

CAS: 879973-83-8

In Stock97%+

甲氨蝶呤杂质5 structure

甲氨蝶呤杂质5

CAS: 207283-64-5

In Stock97%+

Methotrexate impurity N3 structure

Methotrexate impurity N3

CAS: 65148-64-3

In Stock97%+

噁拉戈利杂质16 structure

噁拉戈利杂质16

CAS: 2387904-57-4

In Stock97%+

噁拉戈利杂质23 structure

噁拉戈利杂质23

CAS: 2658608-80-9

In Stock97%+

噁拉戈利杂质32 structure

噁拉戈利杂质32

CAS: 2756307-47-6

In Stock97%+

恶拉戈利杂质39 structure

恶拉戈利杂质39

CAS: 2351194-11-9

In Stock97%+

恶拉戈利杂质40 structure

恶拉戈利杂质40

CAS: 2749467-58-9

In Stock97%+

恶拉戈利杂质44 structure

恶拉戈利杂质44

CAS: 1062642-68-5

In Stock97%+

恶拉戈利杂质46 structure

恶拉戈利杂质46

CAS: 2480056-23-1

In Stock97%+

Empagliflozin impurity 02 structure

Empagliflozin impurity 02

CAS: 1620758-31-7&1620758-32-8

In Stock97%+

恩格列净杂质68 structure

恩格列净杂质68

CAS: 2452301-13-0

In Stock97%+

伐尼克兰杂质19盐酸盐 structure

伐尼克兰杂质19盐酸盐

CAS: 230615-12-0

In Stock97%+

伐尼克兰杂质21 structure

伐尼克兰杂质21

CAS: 230615-56-2

In Stock97%+

福多司坦杂质3 structure

福多司坦杂质3

CAS: 1512670-99-3

In Stock97%+

Finasteride Impurity N44 structure

Finasteride Impurity N44

CAS: 140700-61-4

In Stock97%+

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