Pharmaceutical standards are guidelines and regulations that govern the quality and safety of pharmaceutical products and manufacturing processes.

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Diclofenac Standard

CAS Number
15307-86-5
Alternate CAS Number
15307-81-0(K Salt); 15307-79-6(Na Salt)
Diclofenac
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Dicycloverine Standard

CAS Number
77-19-0
Dicycloverine
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Didanosine Standard

CAS Number
69655-05-6
Didanosine
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Didesmethyl Chlorpheniramine

Didesmethyl Chlorpheniramine

CAS Number
23052-94-0
Chlorpheniramine
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Dienogest Standard

CAS Number
65928-58-7
Dienogest
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Diethanolamine - NDELA Starting material

Diethanolamine / NDELA Starting material

CAS Number
111-42-2
Nitrosamine Impurities
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34148-67-9

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

CAS Number
34148-67-9
Amlodipine
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Diethyl amine - NDEA starting material

Diethyl amine/ NDEA starting material

CAS Number
109-89-7
Nitrosamine Impurities
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Diethyl Dipropylmalonate

CAS Number
6065-63-0
Valproic Acid
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Diethyl ethoxymethylenemalonate

CAS Number
87-13-8
Chemical Primary Standard
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Digoxin Standard

CAS Number
20830-75-5
Digoxin
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Dihydralazine EP Impurity A

CAS Number
649765-80-0
Dihydralazine
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Dihydro Testosterone

CAS Number
521-18-6
Testosterone
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Dihydrotachysterol Standard

CAS Number
67-96-9
Dihydrotachysterol
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Diltiazem Sulfoxide N-Oxide

CAS Number
NA
Diltiazem
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Dimenhydrinate Standard

CAS Number
523-87-5
Dimenhydrinate
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Dimenhydrinate Standard

CAS Number
523-87-5
Dimenhydrinate
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70677-78-0

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

CAS Number
70677-78-0
Amlodipine
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Dimethyl amine - NDMA starting material

Dimethyl amine/ NDMA starting material

CAS Number
124-40-3
Nitrosamine Impurities
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Diosmin Standard

CAS Number
520-27-4
Diosmin
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Diosmin Standard

CAS Number
520-27-4
Diosmin
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Diphenhydramine Citrate Standard

CAS Number
88637-37-0
Alternate CAS Number
58-73-1(Freebase);147-24-0(HCl Salt)
Diphenhydramine
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Diphenhydramine EP Impurity A

CAS Number
53499-40-4
Alternate CAS Number
17471-10-2(Freebase)
Diphenhydramine
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Diphenhydramine EP Impurity B

CAS Number
19804-27-4
Diphenhydramine
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Diphenhydramine EP Impurity C

CAS Number
118-23-0
Alternate CAS Number
1808-12-4(HCl Salt)
Diphenhydramine
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Diphenhydramine EP Impurity D

CAS Number
91-01-0
Diphenhydramine
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Diphenhydramine EP Impurity E

CAS Number
119-61-9
Diphenhydramine
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Diphenhydramine Hydrochloride Standard

CAS Number
147-24-0
Alternate CAS Number
88637-37-0(Citrate salt);58-73-1(Freebase)
Diphenhydramine
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Diphenhydramine N-Oxide

CAS Number
3922-74-5
Alternate CAS Number
13168-00-8(HCl Salt)
Diphenhydramine
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Diphenhydramine Standard

CAS Number
58-73-1
Alternate CAS Number
88637-37-0(Citrate salt);147-24-0(HCl Salt)
Diphenhydramine
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Diphenyl(piperidin-4-yl)methanol

CAS Number
115-46-8
Chemical Primary Standard
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Diphenylamine - NDPhA Starting material

Diphenylamine/ NDPhA Starting material

CAS Number
122-39-4
Nitrosamine Impurities
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1643354-27-1

Diphthalimido Morpholinone Analog

CAS Number
1643354-27-1
Rivaroxaban
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Dipivefrine Standard

CAS Number
52365-63-6
Alternate CAS Number
64019-93-8(HCl Salt)
Dipivefrine
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Dipropylamine - NDPA Starting material

Dipropylamine / NDPA Starting material

CAS Number
142-84-7
Nitrosamine Impurities
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Dipyridamole Standard

CAS Number
58-32-2
Dipyridamole
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Dipyridamole Standard

CAS Number
58-32-2
Dipyridamole
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DL-Alanine

CAS Number
302-72-7
Chemical Primary Standard
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Dl-valine

CAS Number
516-06-3
Chemical Primary Standard
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Docetaxel Standard

CAS Number
114977-28-5
Docetaxel
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Donepezil Standard

CAS Number
120014-06-4
Alternate CAS Number
120011-70-3(HCl Salt)
Donepezil
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Dorzolamide Standard

CAS Number
120279-96-1
Alternate CAS Number
130693-82-2(HCl Salt)
Dorzolamide
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Dosulepin Standard

CAS Number
113-53-1
Alternate CAS Number
897-15-4(HCl Salt)
Dosulepin
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Doxepin Hydrochloride

CAS Number
1229-29-4 (HCL Salt)
Doxepin
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Doxepin Standard

CAS Number
1668-19-5
Doxepin
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Doxepin Standard

CAS Number
1668-19-5
Alternate CAS Number
1229-22-4(HCl)
Doxepin
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1174289-18-9

Doxoflylline Impurity 1

CAS Number
1174289-18-9
Doxofylline
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Doxoflylline Impurity 2

CAS Number
5614-53-9
Doxofylline
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