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Scope Pharmachem Plus LLP is a reliable contract research organization (CRO) specialized in the custom synthesis of pharmacopeial & non-pharmacopeial reference standards, working standards, drug metabolites, glucuronides, and nitrosamine impurities for global pharmaceutical quality assurance.

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Azelastine Impurities & Reference Standards | ChemLume
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Explore our complete catalog of certified pharmaceutical reference standards, research chemicals, and impurities.

Azelastine Impurity 1 HCl

Azelastine Impurity 1 HCl
Cat. No:CL-A043015
CAS No:NA
Mol. F:C22H24ClN3O : HCl
Mol. Wt:381.9
Inv. Status:In Stock

Azelastine EP Impurity B

Azelastine EP Impurity B
Cat. No:CL-A043003
CAS No:117078-69-0
Mol. F:C14H21N3O : HCl
Mol. Wt:247.3
Inv. Status:In Stock

1-Chlorophthalazine (USP)

1-Chlorophthalazine (USP)
Cat. No:CL-A043021
CAS No:5784-45-2
Mol. F:C8H5ClN2
Mol. Wt:164.6
Inv. Status:In Stock

Azelastine-13C,D3 HCl

Azelastine-13C,D3 HCl
Cat. No:CL-A043D03
CAS No:NA
Mol. F:C2113CH21D3ClN3O : HCl
Mol. Wt:385.9
Inv. Status:In Stock

(R)-Azelastine N-Oxide (Mixture of Diastereomers)

(R)-Azelastine N-Oxide (Mixture of Diastereomers)
Cat. No:CL-A043013
CAS No:1346617-18-2
Mol. F:C22H24ClN3O2
Mol. Wt:397.9
Inv. Status:In Stock

Azelastine 3-Chloro-Isomer HCl

Azelastine 3-Chloro-Isomer HCl
Cat. No:CL-A043011
CAS No:NA
Mol. F:C22H24ClN3O : HCl
Mol. Wt:381.9
Inv. Status:In Stock

N-Desmethyl Azelastine (HCl salt)

N-Desmethyl Azelastine (HCl salt)
Cat. No:CL-A043033
CAS No:79342-58-8
Mol. F:C21H22ClN3O : HCl
Mol. Wt:367.9
Inv. Status:In Stock

1-Phthalazinone

1-Phthalazinone
Cat. No:CL-A043020
CAS No:119-39-1
Mol. F:C8H6N2O
Mol. Wt:146.1
Inv. Status:In Stock

N-Desmethyl Azelastine

N-Desmethyl Azelastine
Cat. No:CL-A043009
CAS No:47491-38-3
Mol. F:C21H22ClN3O
Mol. Wt:367.9
Inv. Status:In Stock

Azelastine EP Impurity E

Azelastine EP Impurity E
Cat. No:CL-A043006
CAS No:20526-97-0
Mol. F:C15H9ClO2
Mol. Wt:256.7
Inv. Status:In Stock

Azelastine Nitroso Impurity 1

Azelastine Nitroso Impurity 1
Cat. No:CL-A043029
CAS No:NA
Mol. F:C13H18N4O2
Mol. Wt:262.3
Inv. Status:In Stock

Azelastine Intermediate

Azelastine Intermediate
Cat. No:CL-A043018
CAS No:19869-42-2
Mol. F:C7H13NO : HCl
Mol. Wt:127.2
Inv. Status:In Stock

Azelastine EP Impurity C

Azelastine EP Impurity C
Cat. No:CL-A043004
CAS No:53242-76-5
Mol. F:C15H11ClO3
Mol. Wt:274.7
Inv. Status:In Stock

Azelastine Impurity 2 HCl

Azelastine Impurity 2 HCl
Cat. No:CL-A043016
CAS No:NA
Mol. F:C23H24ClN3O : HCl
Mol. Wt:393.9
Inv. Status:In Stock

N-Methyl-4-aminobutyric acid

N-Methyl-4-aminobutyric acid
Cat. No:CL-A043022
CAS No:1119-48-8
Mol. F:C5H11NO2
Mol. Wt:117.1
Inv. Status:In Stock

4-Phenylphthalazin-1(2H)-one

4-Phenylphthalazin-1(2H)-one
Cat. No:CL-A043032
CAS No:5004-45-5
Mol. F:C14H10N2O
Mol. Wt:222.2
Inv. Status:In Stock

Azelastine EP Impurity D

Azelastine EP Impurity D
Cat. No:CL-A043005
CAS No:53242-88-9
Mol. F:C15H11ClN2O
Mol. Wt:270.7
Inv. Status:In Stock

Azelastine Impurity 4

Azelastine Impurity 4
Cat. No:CL-A043025
CAS No:174826-63-2
Mol. F:C9H17N3O
Mol. Wt:183.3
Inv. Status:In Stock

Azelastine Impurity 3 HCl

Azelastine Impurity 3 HCl
Cat. No:CL-A043017
CAS No:NA
Mol. F:C23H24ClN3O : HCl
Mol. Wt:393.9
Inv. Status:In Stock

(S)-Azelastine HCl

(S)-Azelastine HCl
Cat. No:CL-A043008
CAS No:153408-27-6
Mol. F:C22H24ClN3O : HCl
Mol. Wt:381.9
Inv. Status:In Stock

Azelastine EP Impurity A

Azelastine EP Impurity A
Cat. No:CL-A043002
CAS No:613-94-5
Mol. F:C7H8N2O
Mol. Wt:136.2
Inv. Status:In Stock

Azelastine D4 Hydrochloride

Azelastine D4 Hydrochloride
Cat. No:CL-A043D02
CAS No:NA
Mol. F:C22H20D4ClN3O : HCl
Mol. Wt:385.9
Inv. Status:In Stock

Azelastine Deschloro Impurity

Azelastine Deschloro Impurity
Cat. No:CL-A043031
CAS No:47491-39-4
Mol. F:C22H25N3O
Mol. Wt:347.5
Inv. Status:In Stock

(R)-Azelastine HCl

(R)-Azelastine HCl
Cat. No:CL-A043007
CAS No:153408-28-7
Mol. F:C22H24ClN3O : HCl
Mol. Wt:381.9
Inv. Status:In Stock

Azelastine Impurity 5

Azelastine Impurity 5
Cat. No:CL-A043028
CAS No:110406-95-6
Mol. F:C7H17N3
Mol. Wt:143.2
Inv. Status:In Stock

Azelastine USP Related Compound F

Azelastine USP Related Compound F
Cat. No:CL-A043012
CAS No:640279-88-5
Mol. F:C22H24ClN3O2
Mol. Wt:397.9
Inv. Status:In Stock

N-Nitroso Azelastine EP Impurity B

N-Nitroso Azelastine EP Impurity B
Cat. No:CL-A043027
CAS No:NA
Mol. F:C14H20N4O2
Mol. Wt:276.3
Inv. Status:In Stock

Phthalazine

Phthalazine
Cat. No:CL-A043019
CAS No:253-52-1
Mol. F:C8H6N2
Mol. Wt:130.2
Inv. Status:In Stock

N-Nitroso Azelastine EP Impurity A

N-Nitroso Azelastine EP Impurity A
Cat. No:CL-A043026
CAS No:NA
Mol. F:C7H7N3O2
Mol. Wt:165.2
Inv. Status:In Stock

Azelastine Hydrochloride

Azelastine Hydrochloride
Cat. No:CL-A043001
CAS No:79307-93-0
Mol. F:C22H24ClN3O : HCl
Mol. Wt:381.9
Inv. Status:In Stock

Azelastine 5-Member-Cyclic-Isomer HCl

Azelastine 5-Member-Cyclic-Isomer HCl
Cat. No:CL-A043010
CAS No:117078-70-3
Mol. F:C22H24ClN3O : HCl
Mol. Wt:381.9
Inv. Status:In Stock

N-Nitroso Desmethyl Azelastine

N-Nitroso Desmethyl Azelastine
Cat. No:CL-A043024
CAS No:NA
Mol. F:C21H21ClN4O2
Mol. Wt:396.9
Inv. Status:In Stock

(S)-Azelastine N-Oxide

(S)-Azelastine N-Oxide
Cat. No:CL-A043014
CAS No:1346617-06-8
Mol. F:C22H24ClN3O2
Mol. Wt:397.9
Inv. Status:In Stock

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