Heterocyclic compound is a major class of organic chemical compounds characterized by some or all of the atoms in their molecules are joined in rings containing atleast one atom of an element other than carbon.

Slide 1.GIF

Paclitaxel Impurity-C

CAS Number
153415-45-3
Paclitaxel
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Slide 1.GIF

Paclitaxel Impurity-D

CAS Number
150547-36-7
Paclitaxel
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Slide 1.GIF

Paclitaxel Impurity-I

CAS Number
2157462-42-3
Paclitaxel
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Slide 1.GIF

Paclitaxel Impurity-P

CAS Number
173101-56-9
Paclitaxel
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Slide 1.GIF

Paclitaxel Impurity-R

CAS Number
158948-96-0
Paclitaxel
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Pantoprazole N-Oxide

Pantoprazole N-Oxide

CAS Number
953787-60-5
Pantoprazole
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Pantoprazole Related Compound A

Pantoprazole Related Compound A

CAS Number
127780-16-9
Alternate CAS Number
NA
Pantoprazole
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Pantoprazole Related Compound C

Pantoprazole Related Compound C

CAS Number
97963-62-7
Alternate CAS Number
NA
Pantoprazole
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Pantoprazole Sodium Standard

Pantoprazole Sodium Standard

CAS Number
138786-67-1 (sel de sodium)
Alternate CAS Number
102625-70-7 (base libre) ; 164579-32-2 (sesquihydrate) ; 1022083-88-0 (sel hémimagnésien)
Pantoprazole
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Pantoprazole Standard

Pantoprazole Standard

CAS Number
102625-70-7 (base libre)
Alternate CAS Number
138786-67-1 (sel de sodium) ; 164579-32-2 (sesquihydrate) ; 1022083-88-0 (sel hémimagnésien)
Pantoprazole
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Pantoprazole Sulfide N-Oxide

Pantoprazole Sulfide N-Oxide

CAS Number
953787-51-4
Alternate CAS Number
NA
Pantoprazole
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Pantoprazole Sulfone N-Oxide

Pantoprazole Sulfone N-Oxide

CAS Number
953787-55-8
Pantoprazole
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slide_1

Paroxetine Hydrochloride Anhydrous

CAS Number
78246-49-8
Paroxetine
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Slide_1

Pazopanib Chloro Impurity

CAS Number
444731-75-3
Pazopanib
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Slide_1

Pazopanib Pyrimidine Impurity

CAS Number
444731-74-2
Pazopanib
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Slide_1

Pazopanib Related Compound 2

CAS Number
1226500-02-2
Pazopanib
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Slide 1.GIF

Pefloxacin Impurity-G

CAS Number
70458-94-5
Pefloxacin
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Slide 1.GIF

Pemetrexed Impurity-E

CAS Number
182009-04-7
Alternate CAS Number
937370-10-0(DiNa Salt)
Pemetrexed
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Perindopril EP Impurity C

Perindopril EP Impurity C

CAS Number
129970-99-6
Alternate CAS Number
NA
Perindopril
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Perindopril EP Impurity D

Perindopril EP Impurity D

CAS Number
130061-28-8
Alternate CAS Number
NA
Perindopril
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Perindopril EP Impurity E

Perindopril EP Impurity E

CAS Number
1356837-89-2
Alternate CAS Number
2771193-11-2(Sel d'erbumine)
Perindopril
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Perindopril EP Impurity H

Perindopril EP Impurity H

CAS Number
353777-64-7
Alternate CAS Number
NA
Perindopril
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Perindopril EP Impurity K

Perindopril EP Impurity K

CAS Number
2165676-00-4
Alternate CAS Number
NA
Perindopril
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Perindopril EP Impurity P

Perindopril EP Impurity P

CAS Number
82978-68-5
Alternate CAS Number
NA
Perindopril
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Perindopril Erbumine

Perindopril Erbumine

CAS Number
107133-36-8
Alternate CAS Number
612548-45-5(L-Arginine); 82834-16-0 (Base libre)
Perindopril
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Perindopril L-Arginine

Perindopril L-Arginine

CAS Number
612548-45-5
Alternate CAS Number
NA
Perindopril
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Perindopril standard

Perindopril standard

CAS Number
82834-16-0
Alternate CAS Number
107133-36-8(Sel d'erbumine);612548-45-5(L-Arginine)
Perindopril
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Slide 1.GIF

Perphenazine Impurity-A

CAS Number
10078-25-8
Perphenazine
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Slide 1.GIF

Perphenazine Impurity-B

CAS Number
3533-97-9
Perphenazine
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slide_1

Perphenazine Standard

CAS Number
58-39-9
Perphenazine
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Pheniramine Maleate

Pheniramine Maleate

CAS Number
132-20-7
Chlorpheniramine
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Slide 1.GIF

Phenoxymethylpenicillin Impurity-B

CAS Number
122-59-8
Phenoxymethylpenicillin
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Slide 1.GIF

Phenoxymethylpenicillin Impurity-D

CAS Number
20880-67-5
Alternate CAS Number
75319-62-9(K Salt);1643662-86-5(NA Salt)
Phenoxymethylpenicillin
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Slide 1.GIF

Phenoxymethylpenicillin Impurity-F

CAS Number
2714805-53-3
Alternate CAS Number
4847-29-4 - No Stereochemistry
Phenoxymethylpenicillin
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Slide 1.GIF

Phentolamine Impurity-A

CAS Number
2724727-52-8
Alternate CAS Number
2724727-53-9(Oxalate Salt)
Phentolamine
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Slide 1.GIF

Phentolamine Impurity-C

CAS Number
61537-49-3
Phentolamine
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Slide 1.GIF

Phenytoin Impurity-D

CAS Number
5157-15-3
Phenytoin
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Slide_1

phthalazin-1-ylhydrazine hydrochloride

CAS Number
304-20-1
Alternate CAS Number
86-54-4(Freebase)
Chemical Primary Standard
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Slide 1.GIF

Pilocarpine Impurity-A

CAS Number
531-35-1
Alternate CAS Number
28958-85-2(HCl Salt)
Pilocarpine
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Slide 1.GIF

Pilocarpine Impurity-B

CAS Number
28406-15-7
Alternate CAS Number
92598-79-3(Na Salt)
Pilocarpine
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Slide 1.GIF

Pimobendan Impurity-A

CAS Number
2138391-23-6
Pimobendan
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Slide 1.GIF

Pimobendan Impurity-B

CAS Number
74149-74-9
Pimobendan
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Slide 1.GIF

Pimozide Impurity-C

CAS Number
2512213-29-3
Pimozide
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Slide 1.GIF

Pimozide Impurity-D

CAS Number
2749415-55-0
Pimozide
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Pioglitazone Hydrochloride Standard

Pioglitazone Hydrochloride Standard

CAS Number
112529-15-4
Pioglitazone
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Slide 1.GIF

Pioglitazone Impurity-B

CAS Number
136401-69-9;
Alternate CAS Number
144809-28-9 (E/Z mixture)
Pioglitazone
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slide.1

Piperacillin Standard

CAS Number
61477-96-1
Alternate CAS Number
66258-76-2(Monohydrate); 59703-84-3(Na Salt)
Piperacillin
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slide.1

piperidin-2-ylmethanamine

CAS Number
22990-77-8
Chemical Primary Standard
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