Impurity Reference standards

We are manufacturer and supplier of Doxycycline Impurities like Doxycycline EP Impurity F, Doxycycline Related Compound C / Doxycycline Impurity 8, Doxycycline Process Impurity, Doxycycline Degradation Impurity, Doxycycline Related Compound and Doxycycline Potential Impurity.

Doxycycline Impurity F ( 2-Acetyl-2-Decarbamoyldoxycycline)

IUPAC Name : 4S,4aR,5S,5aR,6R,12aS)-2-acetyl-4-(dimethylamino)-3,5,10,12,12a-pentahydroxy- 6-methyl-4a,5a,6,12a-tetrahydrotetracene-1,11(4H,5H)-dione

We are manufacturer and supplier of Hydrochlorothiazide Impurities like Hydrochlorothiazide Dimer, Hydrochlorothiazide Impurity B, Hydrochlorothiazide Impurity C and 5-chlorohydrochlorothiazide. We also provide Hydrochlorothiazide Impurity as per to pharmacopoeia RRT.

Hydrochlorothiazide Impurity C

We are manufacturer and supplier of Oxytetracycline Impurities like Oxytetracycline EP Impurity C / 2-acetyl-2- decarbamoyloxytetracyclin, Alpha-Apo-Oxytetracycline, Beta-Apo-Oxytetracycline, 4-Epi Oxytetracycline, Oxytetracycline Process Impurity, Oxytetracycline Degradation Impurity, Oxytetracycline Related Compound and Oxytetracycline Potential Impurity.

Veeprho Pharmaceuticals s.r.o is a manufacturer and supplier of Pioglitazone Impurities like N-Alkyl Pioglitazone / Pioglitazone EP Impurity C, Pioglitazone Didehydro Impurity / Pioglitazone EP Impurity B, Hydroxy Pioglitazone (CAS No. 146062-44-4), Pioglitazone EP Impurity A / 5-Hydroxy Pioglitazone (CAS No. 625853-74-9), Pioglitazone EP Impurity D , 1-Hydroxy Pioglitazone (M4-Metabolite), Pioglitazone Bromo impurity and Pioglitazone Amine Impurity.

Oxytetracycline EP Impurity C / 2-acetyl-2- decarbamoyloxytetracyclin
Catalogue No : VL1960004
Category *: Oxytetracycline
*CAS No. : 6542-44-5
IUPAC Name *: (4S,4aR,5S,5aR,6S,12aS)-2-acetyl-4-(dimethylamino)- 3,5,6,10,12,12a-hexahydroxy- 6-methyl-4a,5a,6,12a-tetrahydrotetracene -1,11(4H,5H)-dion
*Molecular Weight *:459.15 g/mol
*Molecular Formula :C23H₂5NO9

For more details visit : https://www.veeprhopharma.com/oxytetracycline-ep-impurity-c-cas-no-6542-44-5.php

Budesonide EP Impurity F / Desonide

IUPAC Name : 16α-Hydroxyprednisone 16α, 17α acetonide; (11β,16α)-11,21-Dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]pregna -1,4-diene-3,20-dione

Catalogue No : VL34005

For more details visit : https://www.veeprhopharma.com/Budesonide-Impurity-Manufacturer-Supplier.php

Budesonide EP Impurity A / 16α-Hydroxy prednisolone

IUPAC Name : 11β,16α,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione

Catalogue No : VL34001

Donepezil Pyridine Analog (USP)

UPAC Name : 5,6-Dimethoxy-2-(pyridin-4-ylmethyl)indan-1-one

Catalogue No : VL173003

We are manufacturer and supplier of Donepezil Impurities like Donepezil Open Ring Impurity, Hydroxy Donepezil Impurity, Donepezil Pyridine Dehydro Impurity, Donepezil Pyridine Analog (USP) and Donepezil USP Related Compound A / Donepezil Dehydro Impurity.

Donepezil Pyridine Dehydro Impurity

IUPAC Name : 5,6-Dimethoxy-2-(4-pyridylmethylene)-1-indanone

*Catalogue No *: VL173016

Donepezil USP Related Compound A / Donepezil Dehydro Impurity

IUPAC Name : (E)-2-[(1-Benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one

Catalogue No : VL173010

Acetazolamide EP Impurity D

IUPAC Name : 5-Amino-1,3,4-thiadiazole-2-sulfonamide HCl

Catalogue No : VL11005

Paclitaxel USP Related Compound B / 7-Epi 10-Desacetyl Paclitaxel

*IUPAC Name *: 10-Deacetyl-7-epi-taxol

*Catalogue No *: VL940005

For more details visit : https://www.veeprhopharma.com/Paclitaxel-Impurity-Manufacturer-Supplier.php

*7-Epi Paclitaxel / Paclitaxel EP Impurity E *

IUPAC Name : 7-Epipaclitaxel; 7-Epitaxol .

Catalogue No : VL940004

O-Desmethyl Venlafaxine / Desvenlafaxine

*IUPAC Name : *4-[2-(Dimethylamino)-1-(1-hydroxycyclohexyl)ethyl]phenol

Catalogue No : VL286002

https://www.veeprholabs.com/Venlafaxine-Impurity-Manufacturer-Supplier.php

Venlafaxine Impurities :-
O-Desmethyl Venlafaxine / Desvenlafaxine
Venlafaxine Impurity A
Venlafaxine Impurity B
Venlafaxine Impurity C
Venlafaxine Impurity D
Venlafaxine Impurity E
Venlafaxine Impurity F
Venlafaxine Impurity G
Venlafaxine Impurity H

Aceclofenac Impurity F / Aceclofenac Benzyl Ester

IUPAC Name : Benzyl[[[2-[(2,6-dichlorophenyl)amino]phenyl] acetyl]oxy]acetate

Catalogue No : VL284001

CAS No : 100499-89-6

https://www.veeprhopharma.com/Aceclofenac-Impurity-Manufacturer-Supplier.php

Aceclofenac EP Impurity E

IUPAC Name : Ethyl[[[2-[(2,6-dichlorophenyl) amino] phenyl] acetyl] oxy] acetate

Catalogue No : VL284003

CAS No : 139272-67-6

https://www.veeprhopharma.com/Aceclofenac-Impurity-Manufacturer-Supplier.php

Aceclofenac EP Impurity D

*IUPAC Name *: Methyl[[[2-[(2,6-dichlorophenyl)amino]phenyl] acetyl]oxy]acetate

Catalogue No : VL284002

*CAS No *: 139272-66-5

https://www.veeprhopharma.com/Aceclofenac-Impurity-Manufacturer-Supplier.php

Aceclofenac EP Impurity H

Catalogue No : VL284008

Category : Aceclofenac

https://www.veeprhopharma.com/aceclofenac-ep-impurity-h-cas-no-1216495-92-9.php

https://www.veeprhopharma.com/Amlodipine-Impurity-Manufacturer-Supplier.php

Propafenone Impurity A : https://www.veeprhopharma.com/Propafenone-Impurity-Manufacturer-Supplier.php

Venlafaxine EP Impurity C : https://lnkd.in/fMYKUp6

CAS No. : 130198-05-9

IUPAC Name : 1-[2-Amino-1-(4-methoxyphenyl)ethyl] cyclohexanol Hydrochloride

Molecular Weight :249.353 g/mol

Molecular Formula : C₁₅H₂₃NO₂ •HCl

https://lnkd.in/fSPN3TD