Intermediates

Lapatinib Impurity 1

CAS Number

1268997-70-1

Lapatinib Impurity 4

CAS Number

320337-48-2

Lapatinib Formyl Impurity

CAS Number

231278-84-5

Lapatinib Deschloro Impurity

CAS Number

633370-23-7

Lapatinib 4-Fluoro Analog

CAS Number

1026818-86-9

Lapatinib Carboxylic Acid Impurity

CAS Number

1152131-73-1

Cinacalcet Standard

CAS Number

226256-56-0

Alternate CAS Number

364782-34-3(HCl Salt)

Cinacalcet Hydrochloride Standard

CAS Number

364782-34-3

Alternate CAS Number

226256-56-0(Freebase)

Cinacalcet Impurity A

CAS Number

3886-70-2

Alternate CAS Number

82572-04-1(HCl Salt)

Cinacalcet Impurity B

CAS Number

66469-40-7

Alternate CAS Number

163831-65-0(HCl Salt)

Cinacalcet Impurity E

CAS Number

253337-60-9

Alternate CAS Number

2705511-09-5(HCl Salt)

3-[1-(Dimethylamino)ethyl]phenol

CAS Number

105601-04-5

Alternate CAS Number

5441-61-2(HCl Salt)

Cinacalcet Impurity 1

CAS Number

104774-87-0

Alternate CAS Number

104774-93-8(HCl Salt)

(Z)-1-(Naphthalen-1-yl)ethanone Oxime

CAS Number

100485-59-4

(E)-1-Acetonaphthone Oxime

CAS Number

100485-51-6

Cinacalcet Impurity 6

CAS Number

941-98-0

Cibenzoline Standard

CAS Number

53267-01-9

Cibenzoline

Clonidine Standard

CAS Number

4205-90-7

Alternate CAS Number

4205-91-8(HCl Salt)

Clonidine Hydrochloride Standard

CAS Number

4205-91-8

Alternate CAS Number

4205-90-7(Freebase)

Clonidine EP Impurity A

CAS Number

5391-39-9

Clonidine EP Impurity B

CAS Number

54707-71-0

4-Hydroxy Clonidine

CAS Number

57101-48-1

Clonidine Impurity 1

CAS Number

21709-18-2

Clonidine Impurity 2

CAS Number

10113-35-6

Clonidine Impurity 4

CAS Number

Clonidine Impurity 5

CAS Number

39075-78-0

2',6'-Dichloroacetanilide

CAS Number

17700-54-8

Clonidine USP Related Compound B

CAS Number

2519452-56-1

Clonidine USP Related Compound C

CAS Number

27806-81-1

Ethylenediamine p-Toluenesulfonate

CAS Number

14034-59-4

Duloxetine Standard

CAS Number

116539-59-4

Duloxetine Hydrochloride Standard

CAS Number

136434-34-9

Duloxetine EP Impurity C

CAS Number

949095-98-1

Alternate CAS Number

953028-76-7 (HCl salt) ; 949096-01-9 (HBr salt)

Duloxetine EP Impurity E

CAS Number

1033803-59-6

Duloxetine EP Impurity F

CAS Number

959392-22-4

Alternate CAS Number

2379325-42-3(oxalate Salt);2748376-86-3(HCl Salt)

Duloxetine EP Impurity G

CAS Number

321-38-0

(S)-Duloxetine Phthalamide

CAS Number

199191-67-8

Descarbonyl Doxofylline

CAS Number

1429636-74-7

Doxofylline

Droxidopa Standard

CAS Number

23651-95-8

Droxidopa Amine

CAS Number

55637-52-0

3,4-Dibenzyloxybenzaldehyde

CAS Number

5447-02-9

Droxidopa Impurity 18

CAS Number

78603-91-5

Droxidopa Impurity 22

CAS Number

56672-56-1

Droxidopa Impurity 25

CAS Number

106887-48-3