Home / Products

Products / Reference Standards / API Impurities / API Related Compounds / Pharmaceutical Standards

Please click on the respective API letter

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Impurities, Pregabalin

3-(Bis((S)-4-isobutyl-2-oxopyrrolidin-1-yl)methyl)-5-methylhexanoic Acid

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C24H42N2O4

Mol W.

: 422.6

Cat No.

: SA24809

Impurities, Pregabalin

5-Methyl-3-(nitromethyl)-4-hexenoic Acid Ethyl Ester

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1136478-28-8

Mol F.

: C10H17NO4

Mol W.

: 215.25

Cat No.

: SA24808

Pregabalin

Pregabalin Impurity 4; 3-(2-Methylpropyl)pentanedioic Acid

$75.00 25 mg

PLEASE ENQUIRE

CAS No.

: 75143-89-4

Mol F.

: C9H16O4

Mol W.

: 188.22

Cat No.

: SA24807

Impurities, Pregabalin

5-Methyl-3-(nitromethyl)hexanoic Acid Ethyl Ester

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 128013-65-0

Mol F.

: C10H19NO4

Mol W.

: 217.26

Cat No.

: SA24806

Impurities, Pregabalin

rac 5,6-Dehydro Pregabalin

$995.00 25 mg

PLEASE ENQUIRE

CAS No.

: 1136478-30-2

Mol F.

: C8H15NO2

Mol W.

: 157.21

Cat No.

: SA24805

Impurities, Pregabalin

rac 4,5-Dehydro Pregabalin

$250.00 25 mg

PLEASE ENQUIRE

CAS No.

: 216576-74-8

Mol F.

: C8H15NO2

Mol W.

: 157.21

Cat No.

: SA24804

Impurities, Pregabalin

(S)-Pregabalin

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 148553-50-8

Mol F.

: C8H17NO2

Mol W.

: 159.22

Cat No.

: SA24803

Pregabalin

Pregabalin EP Impurity B; (R)-Pregabalin

$125.00 25 mg

In Stock

CAS No.

: 148553-51-9

Mol F.

: C8H17NO2

Mol W.

: 159.23

Cat No.

: SA24802

Pregabalin

Pregabalin Racemate

$95.00 25 mg

In Stock

CAS No.

: 128013-69-4

Mol F.

: C8H17NO2

Mol W.

: 159.23

Cat No.

: SA24801

Pregabalin

Pregabalin Lactam Impurity; Pregabalin Related Compound C

$90.00 25 mg

In Stock

CAS No.

: 61312-87-6

Mol F.

: C8H15NO

Mol W.

: 141.21

Cat No.

: SA24800

Impurities, Levothyroxine

3,5-Diiodo-D-isomer Levothyroxine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: NA

Mol F.

: C15H13I2NO4

Mol W.

: 525.08

Cat No.

: SA24730

Impurities, Levothyroxine

Thyroxine

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 51-48-9

Mol F.

: C15H11I4NO4

Mol W.

: 776.87

Cat No.

: SA24729

Impurities, Levothyroxine

T4-Formic Acid-N-methylamide

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2088032-78-2

Mol F.

: C14H9I4NO3

Mol W.

: 746.84

Cat No.

: SA24728

Impurities, Levothyroxine

α-Hydroxy-4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo-N-methyl-benzeneacetamide

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2088032-68-0

Mol F.

: C15H11I4NO4

Mol W.

: 776.87

Cat No.

: SA24727

Impurities, Levothyroxine

α-Amino-4-hydroxy-3,5-diiodo-benzeneacetic Acid

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 854646-83-6

Mol F.

: C8H7I2NO3

Mol W.

: 418.96

Cat No.

: SA24726

Impurities, Levothyroxine

4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodo-benzenemethanol

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2055-94-9

Mol F.

: C13H8I4O3

Mol W.

: 719.82

Cat No.

: SA24725

Impurities, Levothyroxine

4-(4-Ethyl-2,6-diiodophenoxy)-2,6-diiodo-phenol

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 176258-89-2

Mol F.

: C14H10I4O2

Mol W.

: 717.85

Cat No.

: SA24724

Impurities, Levothyroxine

Levothyroxine T4-Hydroxyacetic Acid Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 93647-48-4

Mol F.

: C14H8I4O5

Mol W.

: 763.83

Cat No.

: SA24723

Impurities, Levothyroxine

Levothyroxine Sodium

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 55-03-8

Mol F.

: C15H20I4NNaO9

Mol W.

: 888.93

Cat No.

: SA24722

Impurities, Levothyroxine

Levothyroxine O-Methyl Amine Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2230724-39-5

Mol F.

: C15H13I4NO2

Mol W.

: 746.89

Cat No.

: SA24721

Impurities, Levothyroxine

Levothyroxine N-Methylamide

Please enquire for price & pack size

In Stock

CAS No.

: 2088032-52-2

Mol F.

: C16H14I4N2O3

Mol W.

: 789.91

Cat No.

: SA24720

Impurities, Levothyroxine

Levothyroxine N-Formyl Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 671235-41-9

Mol F.

: C16H11I4NO5

Mol W.

: 804.88

Cat No.

: SA24719

Impurities, Levothyroxine

Levothyroxine Monochloro Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 909279-46-5

Mol F.

: C15H11ClI3NO4

Mol W.

: 685.42

Cat No.

: SA24718

Impurities, Levothyroxine

Levothyroxine Methyl Ester

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 32180-11-3

Mol F.

: C16H13I4NO4

Mol W.

: 790.9

Cat No.

: SA24717

Impurities, Levothyroxine

Levothyroxine Methoxyphenoxy Aldehyde Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 69240-57-9

Mol F.

: C14H10I2O3

Mol W.

: 480.04

Cat No.

: SA24716

Impurities, Levothyroxine

Levothyroxine Hydroxyphenoxy Aldehyde Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2828-49-1

Mol F.

: C13H8I2O3

Mol W.

: 466.01

Cat No.

: SA24715

Impurities, Levothyroxine

Levothyroxine Ethyl Ester

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 76353-71-4

Mol F.

: C17H15I4NO4

Mol W.

: 804.92

Cat No.

: SA24714

Impurities, Levothyroxine

Levothyroxine EP Impurity K

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 5817-39-0

Mol F.

: C15H12I3NO4

Mol W.

: 650.97

Cat No.

: SA24713

Impurities, Levothyroxine

Levothyroxine EP Impurity J

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 4604-41-5

Mol F.

: C15H13I2NO4

Mol W.

: 525.08000000000004

Cat No.

: SA24712

Impurities, Levothyroxine

Levothyroxine EP Impurity I

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2016-06-0

Mol F.

: C13H6I4O3

Mol W.

: 717.8

Cat No.

: SA24711

Impurities, Levothyroxine

Levothyroxine EP Impurity H

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 2055-97-2

Mol F.

: C13H6I4O4

Mol W.

: 733.8

Cat No.

: SA24710

Impurities, Levothyroxine

Levothyroxine EP Impurity F

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 911661-90-0

Mol F.

: C21H13I6NO5

Mol W.

: 1120.76

Cat No.

: SA24709

Impurities, Levothyroxine

Levothyroxine EP Impurity E

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1041-01-6

Mol F.

: C15H13I2NO4

Mol W.

: 525.08000000000004

Cat No.

: SA24708

Impurities, Levothyroxine

Levothyroxine EP Impurity D

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 67-30-1

Mol F.

: C14H8I4O4

Mol W.

: 747.83

Cat No.

: SA24707

Impurities, Levothyroxine

Levothyroxine EP Impurity C

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 51-24-1

Mol F.

: C14H9I3O4

Mol W.

: 621.92999999999995

Cat No.

: SA24706

Impurities, Levothyroxine

Levothyroxine EP Impurity B

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 1628720-66-0

Mol F.

: C15H11ClI3NO4

Mol W.

: 685.42

Cat No.

: SA24705

Impurities, Levothyroxine

Levothyroxine EP Impurity A

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 6893-02-3

Mol F.

: C15H12I3NO4

Mol W.

: 650.97

Cat No.

: SA24704

Impurities, Levothyroxine

Levothyroxine D-Isomer

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 51-49-0

Mol F.

: C15H11I4NO4

Mol W.

: 776.87

Cat No.

: SA24703

Impurities, Levothyroxine

Levothyroxine beta-Hydroxy Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 107849-54-7

Mol F.

: C15H11I4NO5

Mol W.

: 792.87

Cat No.

: SA24702

Impurities, Levothyroxine

Levothyroxine Acetamide Impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 176258-88-1

Mol F.

: C14H9I4NO3

Mol W.

: 746.84

Cat No.

: SA24701

Impurities, Levothyroxine

Levothyroxine N-Acetyl Impurity

Please enquire for price & pack size

In Stock

CAS No.

: 26041-51-0

Mol F.

: C17H13I4NO5

Mol W.

: 818.91

Cat No.

: SA24700

Nitrosamine

N-Nitroso Propranolol Impurity

$175.00 50 mg

In Stock

CAS No.

: 84418-35-9

Mol F.

: C16H20N2O3

Mol W.

: 288.34

Cat No.

: SA24617

Propranolol

Propranolol Beta Naphthol Epoxide Impurity

$265.00 100 mg

In Stock

CAS No.

Mol F.

: C13H12O2

Mol W.

: 200.23

Cat No.

: SA24616

Propranolol

Betaproponolol

$155.00 100 mg

In Stock

CAS No.

: 2007-72-9

Mol F.

: C16H21NO2

Mol W.

: 259.34

Cat No.

: SA24615

Propranolol

β-Naphthol

$99.00 1 g

In Stock

CAS No.

: 135-19-3

Mol F.

: C10H8O

Mol W.

: 144.173

Cat No.

: SA24614

Propranolol

Naphthalene

$99.00 1 g

In Stock

CAS No.

: 91-20-3

Mol F.

: C10H8

Mol W.

: 128.17

Cat No.

: SA24613

Propranolol

Propranolol ethyl Amine Impurity

$225.00 50 mg

In Stock

CAS No.

Mol F.

: C15H19NO2

Mol W.

: 245.32

Cat No.

: SA24612

Propranolol

1-Naphthol

$99.00 1 g

In Stock

CAS No.

: 90-15-3

Mol F.

: C₁₀H₈O

Mol W.

: 144.17

Cat No.

: SA24611

Impurities, Propranolol

1-[2-Hydroxy-3-(1-naphthalenyloxy)propyl]-2,5-pyrrolidinedione

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 345931-85-3

Mol F.

: C17H17NO4

Mol W.

: 299.32

Cat No.

: SA24610

Propranolol

Propranolol Epoxide impurity

$195.00 1 g

In Stock

CAS No.

: 2461-42-9

Mol F.

: C13H12O2

Mol W.

: 200.23

Cat No.

: SA24609

Impurities, Propranolol

Propranolol Azide impurity

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 87102-64-5

Mol F.

: C13H13N3O2

Mol W.

: 243.26

Cat No.

: SA24608

Impurities, Propranolol

rac 7-Methoxy Propranolol

Please enquire for price & pack size

PLEASE ENQUIRE

CAS No.

: 76275-53-1

Mol F.

: C17H23NO3

Mol W.

: 289.37

Cat No.

: SA24607