Impurities

Diclofenac Benzaldehyde Analog

CAS Number

22121-58-0

Diclofenac Related Compound D

CAS Number

127792-23-8

Alternate CAS Number

127792-45-4(Na Salt)

Diclofenac Standard

CAS Number

15307-86-5

Alternate CAS Number

15307-81-0(K Salt); 15307-79-6(Na Salt)

Chemical Primary Standard

Diethyl 2-(2-methoxyphenoxy)malonate

CAS Number

20730-58-9

Guaifenesin

Diethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number

34148-67-9

Amlodipine

Diethyl Chloromalonate

CAS Number

14064-10-9

Guaifenesin

Diethyl Dipropylmalonate

CAS Number

6065-63-0

Valproic Acid

Diethyl ethoxymethylenemalonate

CAS Number

87-13-8

Dihydralazine Standard

CAS Number

484-23-1

Alternate CAS Number

7327-87-9 (Sulfate)

Dihydralazine

Dihydro Testosterone

CAS Number

521-18-6

Testosterone

Dihydrotachysterol Standard

CAS Number

67-96-9

Dihydrotachysterol

Dimethyl 2,6-Dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number

70677-78-0

Amlodipine

Diphenhydramine EP Impurity A

CAS Number

53499-40-4

Alternate CAS Number

17471-10-2(Freebase)

Diphenhydramine EP Impurity B

CAS Number

19804-27-4

Diphenhydramine EP Impurity C

CAS Number

118-23-0

Alternate CAS Number

1808-12-4(HCl Salt)

Diphenhydramine EP Impurity E

CAS Number

119-61-9

Diphenhydramine N-Oxide

CAS Number

3922-74-5

Alternate CAS Number

13168-00-8(HCl Salt)

Dipivefrine Standard

CAS Number

52365-63-6

Alternate CAS Number

64019-93-8(HCl Salt)

Dipivefrine

Dipyridamole Standard

CAS Number

58-32-2

Dipyridamole

Dipyridamole Standard

CAS Number

58-32-2

Dipyridamole

Donepezil Standard

CAS Number

120014-06-4

Alternate CAS Number

120011-70-3(HCl Salt)

Donepezil

Doxoflylline Impurity 1

CAS Number

1174289-18-9

Doxofylline

Doxycycline Standard

CAS Number

564-25-0

Doxycycline

Doxycycline Standard

CAS Number

564-25-0

Alternate CAS Number

10592-13-9(HCl salt);17086-28-1(Doxycycline Monohydrate)

Doxycycline

Droxidopa Amine

CAS Number

55637-52-0

Droxidopa Impurity 18

CAS Number

78603-91-5

Droxidopa Impurity 22

CAS Number

56672-56-1

Droxidopa Impurity 25

CAS Number

106887-48-3

Duloxetine EP Impurity B

CAS Number

116539-55-0

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 F

CAS Number

959392-22-4

Alternate CAS Number

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

Duloxetine EP Impurity G

CAS Number

321-38-0

Duloxetine USP Related Compound H

CAS Number

199191-66-7