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Chemical materials

N-Nitroso Venlafaxine Impurity 19

ULV0361 /
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Venlafaxine Impurity 20

ULV0362 /
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N-Nitroso Venlafaxine Impurity 20

ULV0363 /
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N-Nitroso Venlafaxine EP Impurity H

ULV0364 /
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N-Nitroso Venlafaxine EP Impurity D

ULV0365 /
CAS No.：2680662-11-5
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Venlafaxine Impurity 21

ULV0366 /
CAS No.：4091-50-3
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N-Nitroso Venlafaxine Impurity 21

ULV0367 /
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Venlafaxine Impurity 22

ULV0368 /
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N-Nitroso Venlafaxine Impurity 22

ULV0369 /
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O-Desmethyl Venlafaxine Glucuronide Lithium Salt (Mixture of Diastereomers)

ULV037 /
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Venlafaxine Impurity 23

ULV0370 /
CAS No.：727728-51-0
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Vitamin A EP Impurity A (Diels-Alder Dimers)

ULV037001 /
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Vitamin A EP Impurity B (Anhydro-Vitamin A) (Mixture of E/Z Isomers)

ULV037002 /
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Vitamin A EP Impurity C (retro-Vitamin A, all-trans-Retro Retinol)

ULV037003 /
CAS No.：16729-22-9
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13-Cis Vitamin A Palmitate

ULV037004 /
CAS No.：26771-20-0
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5,6-monoepoxy Vitamin A

ULV037005 /
CAS No.：512-39-0
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9,13-Di-cis Vitamin A Palmitate

ULV037006 /
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9-Cis Vitamin A Palmitate

ULV037007 /
CAS No.：34356-29-1
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N-Nitroso Venlafaxine Impurity 23

ULV0371 /
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Venlafaxine Impurity 24 HCl

ULV0372 /
CAS No.：2223072-89-5
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Venlafaxine EP Impurity G

ULV0373 /
CAS No.：1076199-92-2
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Venlafaxine Impurity 25

ULV0374 /
CAS No.：2641915-09-3
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O-Desmethyl Venlafaxine-d10

ULV038 /
CAS No.：1062607-49-1
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Vitamin D2 (Ergocalciferol)

ULV038001 /
CAS No.：50-14-6
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Ergocalciferol (Vitamin D2)-d6

ULV038002 /
CAS No.：50-14-6 (non-d)
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25-Hydroxy-Ergocalciferol (25-(OH)-Vitamin D2)

ULV038003 /
CAS No.：21343-40-8
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Ergocalciferol Sulfate

ULV038004 /
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Ergocalciferol Glucuronide

ULV038005 /
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Ergocalciferol EP Impurity F

ULV038006 /
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Ergocalciferol (Vitamin D2) EP Impurity A (5,6-trans-Vitamin D2)

ULV038007 /
CAS No.：51744-66-2
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Ergocalciferol (Vitamin D2) Impurity 1 (Windaus Ketone)

ULV038008 /
CAS No.：55812-80-1
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Ergocalciferol EP Impurity B (Ergosterol)

ULV038009 /
CAS No.：57-87-4
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Ergocalciferol EP Impurity C (Lumisterol)

ULV038010 /
CAS No.：474-69-1
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Ergocalciferol EP Impurity D (iso-Tachysterol)

ULV038011 /
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Ergocalciferol EP Impurity E (Tachysterol)

ULV038012 /
CAS No.：115-61-7
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Suprasterol II

ULV038013 /
CAS No.：562-71-0
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Previtamin D2

ULV038014 /
CAS No.：21307-05-1
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Ergocalciferol Impurity 2 (Mixture of Diastereomers)

ULV038015 /
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25-Hydroxy Ergocalciferol-d6

ULV038016 /
CAS No.：1262843-46-8
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24,25-Dihydroxyvitamin D2

ULV038017 /
CAS No.：58050-55-8
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ZK 168281

ULV038018 /
CAS No.：186371-96-0
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Ergocalciferol Impurity 3

ULV038019 /
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Ergosterol-d5

ULV038020 /
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Ergocalciferol Impurity 4

ULV038021 /
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Venlafaxine EP Impurity F HCl

ULV039 /
CAS No.：93413-79-7
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Vigabatrin HCl

ULV039001 /
CAS No.：1391054-02-6
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Vigabatrin-13C-d2 HCl

ULV039002 /
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Vigabatrin EP Impurity A

ULV039003 /
CAS No.：7529-16-0
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Vigabatrin EP Impurity B HCl (Mixture of Z and E Isomers)

ULV039004 /
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Vigabatrin EP Impurity C (Mixture of Diastereomers)

ULV039005 /
CAS No.：71107-19-2
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Telephone 07-753-9988
Fax 07-753-1958
Mail kaohsiung@echochemical.com
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