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

Atorvastatin Epoxy Tetrahydrofuran Analog

Atorvastatin Epoxy Tetrahydrofuran Analog

CAS Number
873950-19-7
Atorvastatin Epoxy Pyrroloxazine 7 Hydroxy Analog

Atorvastatin 7 Hydroxy Analog

CAS Number
Na salt: 1315629-79-8 ; Base:873950-18-6
Atorvastatin Epoxy Pyrroloxazine 6 Hydroxy Analog

Atorvastatin 6 Hydroxy Analog

CAS Number
Na salt:1316291-19-6 ; Base:873950-17-5
Atorvastatin Diamino Impurity

Atorvastatin Diamino Impurity

CAS Number
1116118-82-1
Atorvastatin EP Impurity-F

Atorvastatin EP Impurity-F

CAS Number
1105067-87-5(Ca Salt); 1371615-56-3(Na Salt); 887196-24-9(Freebase)
Atorvastatin Calcium tert-Butyl Ester 

Atorvastatin Calcium tert-Butyl Ester 

CAS Number
134395-00-9
Atorvastatin Related Compound H

Atorvastatin Related Compound -H

CAS Number
125995-03-1
Atorvastatin Pyrrolidone Lactone

Atorvastatin Pyrrolidone Lactone

CAS Number
906552-19-0
Atorvastatin Ethyl Ester

Atorvastatin Ethyl Ester

CAS Number
1146977-93-6
Atorvastatin 3-deoxy hept-2-enoic acid

Atorvastatin 3-deoxy hept-2-enoic acid

CAS Number
1105067-93-3
Atorvastatin Impurity-G

Atorvastatin Impurity-G

CAS Number
887196-29-4
Atorvastatin Related compound-A

Atorvastatin Related compound-A

CAS Number
433289-83-9(Ca salt), 433289-84-0(Freebase);1516864-05-3(sodium salt)
Atorvastatin Related compound-I

Atorvastatin Related compound-I

CAS Number
125971-95-1
Atrovastatin Calcium  Standard

Atorvastatin Calcium Standard

CAS Number
344423-98-9
Atrovastatin Pyrrolidone Analogue

Atorvastatin Pyrrolidone Analogue

CAS Number
148217-40-7(Na salt); 1046118-41-5(Ca salt); 906552-18-9(Base)
Allopurinol EP Impurity F

Allopurinol EP Impurity - F

CAS Number
10217-52-4
Cetirizine Methyl Ester (USP)

Cetirizine Methyl Ester (USP)

CAS Number
83881-46-3 (base); 83881-48-5 (2HCl)
Clopidogrel Related Compound-A

Clopidogrel Related Compound-A

CAS Number
Base:144457-28-3; Salt: 144750-42-5
Clopidogrel Related Compound-B

Clopidogrel Related Compound-B

CAS Number
Base: 144457-43-2;Salt: 144750-52-7
Clopidogrel Acid N-Oxide

Clopidogrel Acid N-Oxide

CAS Number
1319197-73-3
Clopidogrel Amide

Clopidogrel Amide

CAS Number
444728-13-6
Buspirone Hydrochloride Working Standard

Buspirone Hydrochloride Working Standard

CAS Number
33386-08-2
Buspirone EP Impurity-B

Buspirone EP Impurity-B

CAS Number
81461-73-6
Buspirone EP Impurity-C

Buspirone EP Impurity-C

CAS Number
257877-45-5
Buspirone EP Impurity-E

Buspirone EP Impurity-E

CAS Number
257877-43-3
Buspirone EP Impurity-G

Buspirone EP Impurity-G

CAS Number
84746-24-7
Ciprofloxacin Reference Standard

Ciprofloxacin Reference Standard (Free base)

CAS Number
85721-33-1
chlorpheniramine EP Impurity - C

Chlorpheniramine EP Impurity - C

CAS Number
20619-12-9; 22630-25-7(Maleate Salt)
Cetirizine EP Impurity C

Cetirizine EP Impurity - C

CAS Number
83881-59-8
Benazepril Related Compound-A

Benazepril Related Compound-A

CAS Number
215447-89-5(HCl salt); 131064-75-0(Freebase)
Benazepril Related Compound-B

Benazepril Related Compound-B

CAS Number
86541-77-7(HCl salt);86541-76-6(Freebase)
Benazepril Related Compound-C

Benazepril Related Compound-C

CAS Number
86541-78-8
Benazepril Related Compound-D

Benazepril Related Compound-D

CAS Number
2775292-18-5(HCl salt);112110-48-2(Freebase)
Benazepril Related Compound-E

Benazepril Related Compound-E

CAS Number
88372-47-8
Benazepril Related Compound-F

Benazepril Related Compound-F

CAS Number
109010-60-8
Benazepril Related Compound-G

Benazepril Related Compound-G

CAS Number
103129-58-4
Bilastine Standard

Bilastine Standard

CAS Number
202189-78-4
Bilastine Alcohol impurity

Bilastine Alcohol impurity

CAS Number
202189-83-1
Bilastine Amide impurity

Bilastine Amide impurity

CAS Number
2767509-00-0
Bilastine Amine impurity

Bilastine Amine impurity

CAS Number
2099128-83-1
Bilastine Ester impurity

Bilastine Ester impurity

CAS Number
2761921-47-3
Bilastine Oxazoline impurity

Bilastine Oxazoline impurity

CAS Number
202189-77-3
Buspirone EP Impurity-D

Buspirone EP Impurity-D

CAS Number
2724726-67-2
Buspirone EP Impurity-H

Buspirone EP Impurity-H

CAS Number
2708578-34-9
Buspirone EP Impurity-I

Buspirone EP Impurity-I

CAS Number
2725354-99-2
Buspirone EP Impurity-J

Buspirone EP Impurity-J

CAS Number
2726492-72-2
Buspirone EP Impurity-K

Buspirone EP Impurity-K

CAS Number
1075-89-4
Buspirone EP Impurity-L

Buspirone EP Impurity-L

CAS Number
21098-11-3