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Pharmaceutical Impurity Reference Standards

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

Finasteride Impurity 3-one-4-aza-5-androstene-17β-carboxylate methyl ester structure

Finasteride Impurity 3-one-4-aza-5-androstene-17β-carboxylate methyl ester

CAS: 104214-18-8

In Stock>95%

Flunarizine EP Impurity C structure

Flunarizine EP Impurity C

CAS: 90830-31-2

In Stock97%+

非索非那定杂质1 structure

非索非那定杂质1

CAS: 252022-32-5

In Stock97%+

Aprepitant impurity 02 structure

Aprepitant impurity 02

CAS: 1523569-90-5

In Stock97%+

福沙匹坦N-苄基杂质（二甲葡胺盐) structure

福沙匹坦N-苄基杂质（二甲葡胺盐)

CAS: 2035475-11-5

In Stock97%+

氟西汀杂质P structure

氟西汀杂质P

CAS: 310452-35-8

In Stock97%+

格隆溴铵杂质28 structure

格隆溴铵杂质28

CAS: 207856-83-5

In Stock97%+

钆塞酸二钠杂质2三盐酸盐 structure

钆塞酸二钠杂质2三盐酸盐

CAS: 2183894-92-8

In Stock97%+

1,3-Dioxepane-5,6-diol, 2,2-dimethyl- structure

1,3-Dioxepane-5,6-diol, 2,2-dimethyl-

CAS: 1629961-94-9

In Stock>95%

Gadobutrol Impurity N54 structure

Gadobutrol Impurity N54

CAS: 909195-13-7

In Stock97%+

钆布醇杂质26 structure

钆布醇杂质26

CAS: 87018-35-7

In Stock97%+

HS-10352杂质D structure

HS-10352杂质D

CAS: 2276229-34-4

In Stock97%+

吉非替尼杂质19 structure

吉非替尼杂质19

CAS: 1803045-02-4

In Stock97%+

Cariprazine Impurity N2 structure

Cariprazine Impurity N2

CAS: 1231947-90-2

In Stock97%+

Carfilzomib Impurity N1 structure

Carfilzomib Impurity N1

CAS: 1890999-52-6

In Stock97%+

卡非佐米杂质8 structure

卡非佐米杂质8

CAS: 890660-08-9

In Stock97%+

卡非佐米杂质14 structure

卡非佐米杂质14

CAS: 2049025-59-2

In Stock97%+

卡非佐米杂质MK structure

卡非佐米杂质MK

CAS: 247068-81-2

In Stock97%+

卡博替尼杂质23 structure

卡博替尼杂质23

CAS: 1628530-47-1

In Stock97%+

卡博替尼杂质24 structure

卡博替尼杂质24

CAS: 1628530-42-6

In Stock97%+

卡博替尼杂质33 structure

卡博替尼杂质33

CAS: 775514-98-2

In Stock97%+

间苯三酚杂质8 structure

间苯三酚杂质8

CAS: 84212-55-5

In Stock97%+

【停用，请询C4X-262191】兰地洛尔杂质16 structure

【停用，请询C4X-262191】兰地洛尔杂质16

CAS: 2414593-71-6

In Stock97%+

Lenvatinib Impurity N12 structure

Lenvatinib Impurity N12

CAS: 2143930-75-8

In Stock97%+

乐伐替尼杂质48 structure

乐伐替尼杂质48

CAS: 2241757-94-6

In Stock97%+

乐伐替尼杂质52 structure

乐伐替尼杂质52

CAS: 2241757-95-7

In Stock97%+

Lenvatinib Impurity N4 structure

Lenvatinib Impurity N4

CAS: 2110414-05-4

In Stock97%+

雷诺嗪杂质4 structure

雷诺嗪杂质4

CAS: 1427177-23-8

In Stock97%+

利伐沙班杂质53 structure

利伐沙班杂质53

CAS: 2206360-84-9

In Stock97%+

Linezolid Impurity C78 structure

Linezolid Impurity C78

CAS: 952680-48-7

In Stock97%+

Risperidone EP Impurity A and B(Mixture of E and Z Isomers) structure

Risperidone EP Impurity A and B(Mixture of E and Z Isomers)

CAS: 158697-66-6

In Stock97%+

利扎曲普坦杂质6 structure

利扎曲普坦杂质6

CAS: 848888-10-8

In Stock97%+

Rizatriptan impurity 19 Benzoic acid structure

Rizatriptan impurity 19 Benzoic acid

CAS: 1391062-44-4 (free base)

In Stock97%+

羟氯喹杂质11 structure

羟氯喹杂质11

CAS: 478784-66-6

In Stock97%+

罗氟司特光降解杂质 structure

罗氟司特光降解杂质

CAS: 159782-26-0

In Stock97%+

LCZ696杂质598-11 structure

LCZ696杂质598-11

CAS: 149709-61-5

In Stock97%+

LCZ696杂质585-11 structure

LCZ696杂质585-11

CAS: 1082985-24-7

In Stock97%+

氯吡格雷杂质39 structure

氯吡格雷杂质39

CAS: 2797598-85-5

In Stock97%+

氯吡格雷杂质31盐酸盐 structure

氯吡格雷杂质31盐酸盐

CAS: 1015247-86-5

In Stock97%+

米格列醇杂质1 structure

米格列醇杂质1

CAS: 2230715-72-5

In Stock97%+

米格列醇杂质3 structure

米格列醇杂质3

CAS: 2230715-33-8

In Stock97%+

Miglitol impurity N2 structure

Miglitol impurity N2

CAS: 2230722-74-2

In Stock97%+

莫沙必利杂质17 structure

莫沙必利杂质17

CAS: 1104438-47-2

In Stock97%+

莫沙必利杂质26 structure

莫沙必利杂质26

CAS: 112886-58-5

In Stock97%+

Nafamostat Impurity N3 structure

Nafamostat Impurity N3

CAS: 115325-88-7

In Stock95%

萘舒地尔杂质1 structure

萘舒地尔杂质1

CAS: 2098444-97-2

In Stock97%+

萘舒地尔杂质2 structure

萘舒地尔杂质2

CAS: 1253955-20-2

In Stock97%+

尼卡地平杂质5 structure

尼卡地平杂质5

CAS: 102791-25-3

In Stock97%+

泮托拉唑相关杂质F structure

泮托拉唑相关杂质F

CAS: 2288740-66-7

In Stock97%+

普拉曲沙杂质PLQS-4 structure

普拉曲沙杂质PLQS-4

CAS: 1451250-74-0

In Stock97%+

普芦卡必利杂质24 structure

普芦卡必利杂质24

CAS: 1429900-66-2

In Stock97%+

Drotaverin Impurity N1 structure

Drotaverin Impurity N1

CAS: 56046-20-9

In Stock97%+

Trametinib Impurity N9 structure

Trametinib Impurity N9

CAS: 871700-41-3

In Stock97%+

Trametinib Impurity N10 structure

Trametinib Impurity N10

CAS: 1383430-04-3

In Stock97%+

Trametinib Impurity N11 structure

Trametinib Impurity N11

CAS: 871701-23-4

In Stock97%+

Trazodone Impurity QZT-IM-2-Z4 HCl structure

Trazodone Impurity QZT-IM-2-Z4 HCl

CAS: 2247108-04-7

In Stock>95%

Trazodone Impurity N13 structure

Trazodone Impurity N13

CAS: 101364-27-6

In Stock97%+

去甲肾上腺素杂质1盐酸盐 structure

去甲肾上腺素杂质1盐酸盐

CAS: 3868-81-3

In Stock97%+

噻吗洛尔杂质8 structure

噻吗洛尔杂质8

CAS: 369377-82-2

In Stock97%+

司来帕格杂质6盐酸盐 structure

司来帕格杂质6盐酸盐

CAS: 1693685-49-2

In Stock97%+

塞来昔布杂质3 structure

塞来昔布杂质3

CAS: 170510-09-0

In Stock97%+

索拉菲尼杂质INT-1-N structure

索拉菲尼杂质INT-1-N

CAS: 1863331-80-9

In Stock97%+

索拉菲尼杂质INT-2-L structure

索拉菲尼杂质INT-2-L

CAS: 864272-34-3

In Stock97%+

图卡替尼杂质7 structure

图卡替尼杂质7

CAS: 1203904-18-0

In Stock97%+

图卡替尼杂质8 structure

图卡替尼杂质8

CAS: 2131230-48-1

In Stock97%+

他达那非杂质79 structure

他达那非杂质79

CAS: 67805-34-9

In Stock97%+

坦度螺酮杂质6 structure

坦度螺酮杂质6

CAS: 1129675-92-8

In Stock97%+

特地唑胺杂质48 structure

特地唑胺杂质48

CAS: 859538-84-4

In Stock97%+

他克莫司杂质4 structure

他克莫司杂质4

CAS: 129212-37-9

In Stock97%+

酮咯酸氨丁三醇中间体6杂质3 structure

酮咯酸氨丁三醇中间体6杂质3

CAS: 141054-45-7

In Stock97%+

头孢呋辛杂质27 structure

头孢呋辛杂质27

CAS: 283151-46-2

In Stock97%+

Tofacitinib Impurity N49 structure

Tofacitinib Impurity N49

CAS: 2280085-84-7

In Stock97%+

Tolterodine Impurity N3 HCl structure

Tolterodine Impurity N3 HCl

CAS: 124936-83-0

In Stock97%+

托特罗定杂质5 structure

托特罗定杂质5

CAS: 124936-70-5

In Stock97%+

维库溴铵杂质2 structure

维库溴铵杂质2

CAS: 211936-13-9

In Stock97%+

Pyridoxine /Vitamin B6 Impurity C35 structure

Pyridoxine /Vitamin B6 Impurity C35

CAS: 1805775-66-9

In Stock97%+

Menaquinone impurity 02 structure

Menaquinone impurity 02

CAS: 65941-19-7

In Stock97%+

沃替西汀杂质32 structure

沃替西汀杂质32

CAS: 1642185-28-1

In Stock97%+

沃替西汀杂质33 structure

沃替西汀杂质33

CAS: 1474022-91-7

In Stock97%+

芜地溴铵杂质18 structure

芜地溴铵杂质18

CAS: 2253743-34-7

In Stock97%+

乌美溴铵杂质1 structure

乌美溴铵杂质1

CAS: 1484216-96-7

In Stock97%+

乌地那非杂质5 structure

乌地那非杂质5

CAS: 2562360-05-6

In Stock97%+

Udenafil Impurity N1 structure

Udenafil Impurity N1

CAS: 1810029-01-6

In Stock97%+

Udenafil Impurity N45 structure

Udenafil Impurity N45

CAS: 936951-20-1

In Stock97%+

乌地那非杂质1 structure

乌地那非杂质1

CAS: 2761158-33-0

In Stock97%+

西地那非杂质C2 structure

西地那非杂质C2

CAS: 300547-20-0

In Stock97%+

溴芬酸钠杂质D structure

溴芬酸钠杂质D

CAS: 98790-48-8

In Stock97%+

西那卡塞杂质32盐酸盐 structure

西那卡塞杂质32盐酸盐

CAS: 2504147-16-2

In Stock97%+

西格列汀杂质14 structure

西格列汀杂质14

CAS: 2088771-62-2

In Stock97%+

Sitagliptin Impurity 53 HCl structure

Sitagliptin Impurity 53 HCl

CAS: 849832-76-4(free base)

In Stock>95%

Indobufen Impurity N2 structure

Indobufen Impurity N2

CAS: 36691-07-3

In Stock97%+

吲哚箐绿杂质7 structure

吲哚箐绿杂质7

CAS: 30718-13-9

In Stock97%+

依托咪酯杂质23【停用，重复请询C4X-188433】 structure

依托咪酯杂质23【停用，重复请询C4X-188433】

CAS: 940866-88-6

In Stock97%+

Etomidate impurity 01 structure

Etomidate impurity 01

CAS: 66512-38-7

In Stock97%+

伊托必利杂质14 structure

伊托必利杂质14

CAS: 26578-71-2

In Stock97%+

Levofloxacin impurity 01 structure

Levofloxacin impurity 01

CAS: 154228-18-9

In Stock97%+

Dicyclomine impurity N1 structure

Dicyclomine impurity N1

CAS: 109158-77-2

In Stock97%+

Dronedarone EP Impurity C structure

Dronedarone EP Impurity C

CAS: 141626-57-5

In Stock97%+

Droperidol EP Impurity B structure

Droperidol EP Impurity B

CAS: 1026015-45-1

In Stock97%+

Prednisone Impurity N56 structure

Prednisone Impurity N56

CAS: 103466-44-0

In Stock97%+

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