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Categories / Impurity

Impurity Products

Browse available compounds, catalogue references, CAS numbers and technical details from Clearsynth.

Showing 15553-15576 of 27603 products
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DL-​erythro-​3-​(3,​4-​Dihydroxyphenyl)​serine chemical structure
Custom Synthesis

DL-​erythro-​3-​(3,​4-​Dihydroxyphenyl)​serine

CAT No. CS-O-32724
CAS No. 16322-99-9
Category Impurity
Parent API Droxidopa
Formula C9H11NO5
Mol. Wt. 213.2
DL-alpha-Tocopherol Impurity-C chemical structure
Custom Synthesis

DL-alpha-Tocopherol Impurity-C

CAT No. CS-O-50047
CAS No. 90510-39-7
Category Impurity
Parent API Tocopherol
Formula C30H52O2
Mol. Wt. 444.73
dl-cis-Diltiazem chemical structure
Custom Synthesis

dl-cis-Diltiazem

CAT No. CS-O-46574
CAS No. 56209-45-1
Category Impurity
Parent API Diltiazem
Formula C22H26N2O4S
Mol. Wt. 414.5
DL-Erythro Ritalinic Acid chemical structure
Custom Synthesis

DL-Erythro Ritalinic Acid

CAT No. CS-T-61161
CAS No. 783256-74-6
Category Impurity
Parent API Methylphenidate
Formula C13H17NO2
Mol. Wt. 219.28
DL-Erythro Ritalinic Acid Hydrochloride chemical structure
Custom Synthesis

DL-Erythro Ritalinic Acid Hydrochloride

CAT No. CS-O-66981
CAS No. 19130-92-8
Category Impurity
Parent API Ritalinic acid
Formula C13H18ClNO2
Mol. Wt. 255.74
D-Leu-Leu-Arg-Pro-NHEt chemical structure
Custom Synthesis

D-Leu-Leu-Arg-Pro-NHEt

CAT No. CS-O-43322
CAS No. 1642799-36-7
Category Impurity
Parent API Leuprolide
Formula C25H48N8O4
Mol. Wt. 524.70
DL-Glyceraldehyde 3-Phosphate chemical structure
Custom Synthesis

DL-Glyceraldehyde 3-Phosphate

CAT No. CS-T-78657
CAS No. 591-59-3
Category Impurity
Parent API
Formula -
Mol. Wt.
DL-Homocysteine chemical structure
Custom Synthesis

DL-Homocysteine

CAT No. CS-O-14098
CAS No. 454-29-5
Category Impurity
Parent API Erdosteine
Formula C4H9NO2S
Mol. Wt. 135.2
DL-Homocysteine Thiolactone chemical structure
Custom Synthesis

DL-Homocysteine Thiolactone

CAT No. CS-P-07516
CAS No. 10593-85-8
Category Impurity
Parent API
Formula -
Mol. Wt.
DL-Norephedrine Hydrochloride chemical structure
Custom Synthesis

DL-Norephedrine Hydrochloride

CAT No. CS-EO-03853
CAS No. 154-41-6
Category Impurity
Parent API Norephedrine
Formula C9H14ClNO
Mol. Wt. 187.67
DL-Norepinephrine 3-Sulfate chemical structure
Custom Synthesis

DL-Norepinephrine 3-Sulfate

CAT No. CS-T-83240
CAS No. 112346-92-6
Category Impurity
Parent API Norepinephrine
Formula C8H11NO6S
Mol. Wt. 249.2
DL-Norepinephrine 4-Sulfate chemical structure
Custom Synthesis

DL-Norepinephrine 4-Sulfate

CAT No. CS-T-83264
CAS No. 35538-87-5
Category Impurity
Parent API Norepinephrine
Formula C8H11NO6S
Mol. Wt. 249.24
DL-Norepinephrine Hydrochloride chemical structure
Custom Synthesis

DL-Norepinephrine Hydrochloride

CAT No. CS-T-82913
CAS No. 55-27-6
Category Impurity
Parent API Norepinephrine
Formula C8H11NO3 : HCl
Mol. Wt. 169.2 : 36.5
dl-Normetazocine chemical structure
Custom Synthesis

dl-Normetazocine

CAT No. CS-T-82836
CAS No. 25144-78-9
Category Impurity
Parent API
Formula -
Mol. Wt.
DL-Pantothenic acid chemical structure
Custom Synthesis

DL-Pantothenic acid

CAT No. CS-O-64681
CAS No. 599-54-2
Category Impurity
Parent API Pantothenic acid
Formula C9H17NO5
Mol. Wt. 219.23
DL-threo-Methylphenidate hydrochloride chemical structure
Custom Synthesis

DL-threo-Methylphenidate hydrochloride

CAT No. CS-O-38208
CAS No. 23655-65-4
Category Impurity
Parent API Methylphenidate
Formula C14H20ClNO2
Mol. Wt. 269.77
DL-threo-Ritalinic Acid chemical structure
Custom Synthesis

DL-threo-Ritalinic Acid

CAT No. CS-T-61163
CAS No. 54631-24-2
Category Impurity
Parent API
Formula -
Mol. Wt.
DL-threo-Ritalinic Acid Isopropyl Ester chemical structure
Custom Synthesis

DL-threo-Ritalinic Acid Isopropyl Ester

CAT No. CS-T-61167
CAS No. 93148-46-0
Category Impurity
Parent API
Formula -
Mol. Wt.
D-Lys-D-Trp Eptifibatide chemical structure
Custom Synthesis

D-Lys-D-Trp Eptifibatide

CAT No. CS-O-47225
CAS No. -
Category Impurity
Parent API Eptifibatide
Formula C35H49N11O9S2
Mol. Wt. 831.96
D-Mannitol chemical structure
Custom Synthesis

D-Mannitol

CAT No. CS-O-66337
CAS No. 69-65-8
Category Impurity
Parent API Mannitol
Formula C6H14O6
Mol. Wt. 182.2
D-Mannose-6-phosphate Disodium Salt chemical structure
Custom Synthesis

D-Mannose-6-phosphate Disodium Salt

CAT No. CS-AR-00334
CAS No. 33068-18-7
Category Impurity
Parent API Mannose
Formula C6H11Na2O9P
Mol. Wt. 304.10
D-Norpropoxyphene maleate chemical structure
Custom Synthesis

D-Norpropoxyphene maleate

CAT No. CS-O-66219
CAS No. 159208-83-0
Category Impurity
Parent API Dextropropoxyphene
Formula C21H27NO2 • C4H4O4
Mol. Wt. 441.52 g/mol
d-Norpseudoephedrine HCl chemical structure
Custom Synthesis

d-Norpseudoephedrine HCl

CAT No. CS-O-34561
CAS No. 2153-98-2
Category Impurity
Parent API Cathine
Formula C9H14ClNO
Mol. Wt. 187.67 g/mol
DN-Sulphonamide Un-desired 2 chemical structure
Custom Synthesis

DN-Sulphonamide Un-desired 2

CAT No. CS-O-16121
CAS No. -
Category Impurity
Parent API
Formula -
Mol. Wt.

Impurity Products at Clearsynth

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