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USA Office
SINCO PHARMACHEM INC.
364 E Main Street Suite 1004 Middletown, DE 19709
Tel：+01 (302) 314 9524
sales@sincopharmachem.com

Strategical Partner:
SHENZHEN PHYSTANDARD BIO-TECH CO., LTD.
3rd Floor D Block QingChuang City Pink Town MinKang Road 292, MinZhi Street, LongHua, ShenZhen, GuangDong, China 518131
Tel: +86 755 8178 9528 Email: info@phystandard.com
www.phystandard.com.cn

Parecoxib

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Parecoxib

Parecoxib Impurity 3
CAT #: P29404
CAS #: N/A
M.F .: C16H14N2O3S
M.W .: 314.37

Parecoxib Impurity 6 Sodium Salt
CAT #: P29406
CAS #: 198470-92-7
M.F .: C20H19N2O4S. Na
M.W .: 383.45 22.99

Parecoxib Impurity 9
CAT #: P29408
CAS #: N/A
M.F .: C19H20N2O5S
M.W .: 388.44

Parecoxib Impurity D
CAT #: P29409
CAS #: N/A
M.F .: C16H14N2O3S
M.W .: 314.37

Parecoxib N-Oxide
CAT #: P29413
CAS #: N/A
M.F .: C19H18N2O5S
M.W .: 386.43

Parecoxib Impurity Q
CAT #: P10850
CAS #: 370.42 477594-28-8
M.F : C19H18N2O4S
M.W : CAS#: 370.42 477594-28-8

Parecoxib Impurity 4
CAT #: V05562
CAS #: 75115-00-3
M.F : C16H13NO
M.W : 235.29

Parecoxib Impurity 28
CAT #: P10801
CAS #: 342.41 473465-11-1
M.F : C18H18N2O3S
M.W : CAS#: 342.41 473465-11-1

Parecoxib Impurity J（Parecoxib Impurity 18）
CAT #: P10881（P02714）
CAS #: 532.61 2338845-31-9
M.F : C32H24N2O4S
M.W : CAS#: 532.61 2338845-31-9

Parecoxib Impurity 11
CAT #: P10716
CAS #: 181696-12-8
M.F : C16H14N2O3S
M.W : 314.37

Parecoxib Impurity 21
CAT #: P10800
CAS #: 2235371-89-6
M.F : C19H18N2O4S
M.W : 370.42

Parecoxib Impurity 8
CAT #: V01906
CAS #: 181696-35-5
M.F : C16H13NO4S
M.W : 315.34

Parecoxib Impurity G
CAT #: V01887
CAS #: 1708094-99-8
M.F : C22H23N3O7S2
M.W : 505.56

Parecoxib Sodium Salt
CAT #: P00886
CAS #: 198470-85-8
M.F : C19H17N2O4S Na
M.W : 369.42 22.99

Parecoxib Impurity 2（Parecoxib Impurity E）
CAT #: P02381（P00219）
CAS #: 1709956-89-7
M.F : C19H18N2O4S
M.W : 370.42

Parecoxib
CAT #: P11337
CAS #: 198470-84-7
M.F : C19H18N2O4S
M.W : 370.42

Parecoxib Impurity 12
CAT #: P04077
CAS #: 198470-82-5
M.F : C20H20N2O4S
M.W : 384.45

Parecoxib Impurity 17
CAT #: P03878
CAS #: N/A
M.F : C19H19NO4S
M.W : 357.42

Parecoxib Impurity 15
CAT #: P12457
CAS #: 2247197-65-3
M.F : C17H14F3N3O4S
M.W : 413.37

Parecoxib Impurity 6
CAT #: P14368
CAS #: 198470-91-6
M.F : C20H20N2O4S
M.W : 384.45

Parecoxib Impurity 20
CAT #: P14743
CAS #: 2251048-58-3
M.F : C16H15N3O5S2
M.W : 393.43

Parecoxib Impurity 22
CAT #: P14744
CAS #: 2616621-78-2
M.F : C16H15N3O5S2
M.W : 393.43

Parecoxib Impurity 23 sodium salt
CAT #: P17166
CAS #: 2229657-84-3
M.F : C19H18N2O4S Na
M.W : 370.42 22.99

Parecoxib Impurity 24
CAT #: P19341
CAS #: NA
M.F : C18H17NO4S
M.W : 343.4

Parecoxib Impurity 18（Parecoxib Impurity J）
CAT #: P02714（P10881）
CAS #: 532.61 2338845-31-9
M.F .: C32H24N2O4S
M.W .: CAS#: 532.61 2338845-31-9

Parecoxib m-Sulfonamide Impurity
CAT #: P00933
CAS #: NA
M.F .: C19H18N2O4S
M.W .: 370.43

Parecoxib Impurity 19
CAT #: P01213
CAS #: 2455497-80-8
M.F .: C16H15N3O5S2
M.W .: 393.43