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Tamoxifen Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Tamoxifen, pharmacopeial and non-pharmacopeial Tamoxifen impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Tamoxifen impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Tamoxifen-related products are thoroughly characterized. Tamoxifen products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Tamoxifen Citrate

Picture of Tamoxifen Citrate
CAT No: SZ-T038001
CAS No: 54965-24-1
Mol.F. : C26H29NO : C6H8O7
Mol.Wt. : 371.5 : 192.1
Inv. Status: In Stock
Rel. CAS No : 10540-29-1 (free base)
SZ-T038001
CAS No:54965-24-1
Mol.F.: C26H29NO : C6H8O7
Mol.Wt.: 371.5 : 192.1
Inv. Status: In Stock
Rel. CAS No : 10540-29-1 (free base)

Tamoxifen EP Impurity A (HCl salt)

Picture of Tamoxifen EP Impurity A (HCl salt)
CAT No: SZ-T038002
CAS No: 66584-36-9
Mol.F. : C26H29NO : HCl
Mol.Wt. : 371.5 : 36.5
Inv. Status: In Stock
Rel. CAS No : 13002-65-8 (free base)
SZ-T038002
CAS No:66584-36-9
Mol.F.: C26H29NO : HCl
Mol.Wt.: 371.5 : 36.5
Inv. Status: In Stock
Rel. CAS No : 13002-65-8 (free base)

Tamoxifen EP Impurity B

Picture of Tamoxifen EP Impurity B
CAT No: SZ-T038003
CAS No: 748-97-0
Mol.F. : C26H31NO2
Mol.Wt. : 389.5
Inv. Status: In Stock
SZ-T038003
CAS No:748-97-0
Mol.F.: C26H31NO2
Mol.Wt.: 389.5
Inv. Status: In Stock

Tamoxifen EP Impurity C

Picture of Tamoxifen EP Impurity C
CAT No: SZ-T038004
CAS No: 19957-51-8
Mol.F. : C24H25NO
Mol.Wt. : 343.5
Inv. Status: In Stock
Rel. CAS No : 20171-74-8 (citrate salt)
SZ-T038004
CAS No:19957-51-8
Mol.F.: C24H25NO
Mol.Wt.: 343.5
Inv. Status: In Stock
Rel. CAS No : 20171-74-8 (citrate salt)

Tamoxifen EP Impurity D

Picture of Tamoxifen EP Impurity D
CAT No: SZ-T038005
CAS No: 197251-11-9
Mol.F. : C25H27NO
Mol.Wt. : 357.5
Inv. Status: In Stock
SZ-T038005
CAS No:197251-11-9
Mol.F.: C25H27NO
Mol.Wt.: 357.5
Inv. Status: In Stock

Tamoxifen EP Impurity E

Picture of Tamoxifen EP Impurity E
CAT No: SZ-T038006
CAS No: NA
Mol.F. : C26H29NO : C6H8O7
Mol.Wt. : 371.5 : 192.1
Inv. Status: Limited Stock
Rel. CAS No : 2734357-02-7 (free base)
SZ-T038006
CAS No:NA
Mol.F.: C26H29NO : C6H8O7
Mol.Wt.: 371.5 : 192.1
Inv. Status: Limited Stock
Rel. CAS No : 2734357-02-7 (free base)

Tamoxifen EP Impurity F

Picture of Tamoxifen EP Impurity F
CAT No: SZ-T038007
CAS No: 15917-65-4
Mol.F. : C25H27NO : HCl
Mol.Wt. : 357.5 : 36.5
Inv. Status: In Stock
Rel. CAS No : 31750-48-8 (free base)
SZ-T038007
CAS No:15917-65-4
Mol.F.: C25H27NO : HCl
Mol.Wt.: 357.5 : 36.5
Inv. Status: In Stock
Rel. CAS No : 31750-48-8 (free base)

Tamoxifen EP Impurity G

Picture of Tamoxifen EP Impurity G
CAT No: SZ-T038008
CAS No: 68047-07-4
Mol.F. : C20H25NO2
Mol.Wt. : 311.4
Inv. Status: Limited Stock
SZ-T038008
CAS No:68047-07-4
Mol.F.: C20H25NO2
Mol.Wt.: 311.4
Inv. Status: Limited Stock

Tamoxifen EP Impurity H

Picture of Tamoxifen EP Impurity H
CAT No: SZ-T038009
CAS No: 809285-09-4
Mol.F. : C43H48N2O2
Mol.Wt. : 624.8
Inv. Status: Custom Synthesis
SZ-T038009
CAS No:809285-09-4
Mol.F.: C43H48N2O2
Mol.Wt.: 624.8
Inv. Status: Custom Synthesis

4'-Hydroxytamoxifen

Picture of 4'-Hydroxytamoxifen
CAT No: SZ-T038010
CAS No: 82413-23-8
Mol.F. : C26H29NO2
Mol.Wt. : 387.5
Inv. Status: Custom Synthesis
SZ-T038010
CAS No:82413-23-8
Mol.F.: C26H29NO2
Mol.Wt.: 387.5
Inv. Status: Custom Synthesis

Tamoxifen N-oxide

Picture of Tamoxifen N-oxide
CAT No: SZ-T038011
CAS No: 75504-34-6
Mol.F. : C26H29NO2
Mol.Wt. : 387.5
Inv. Status: In Stock
SZ-T038011
CAS No:75504-34-6
Mol.F.: C26H29NO2
Mol.Wt.: 387.5
Inv. Status: In Stock

(Z)-4-Hydroxy-N-Desmethyl Tamoxifen 

Picture of (Z)-4-Hydroxy-N-Desmethyl Tamoxifen 
CAT No: SZ-T038012
CAS No: 112093-28-4
Mol.F. : C25H27NO2
Mol.Wt. : 373.5
Inv. Status: Custom Synthesis
SZ-T038012
CAS No:112093-28-4
Mol.F.: C25H27NO2
Mol.Wt.: 373.5
Inv. Status: Custom Synthesis

Tamoxifen mixture of EZ isomers HCl

Picture of Tamoxifen mixture of EZ isomers HCl
CAT No: SZ-T038016
CAS No: 96762-97-9
Mol.F. : C26H29NO : HCl
Mol.Wt. : 371.5 : 36.5
Inv. Status: In Stock
Rel. CAS No : 7728-73-6 (free base) ; 2247751-63-7 (dihydrate)
SZ-T038016
CAS No:96762-97-9
Mol.F.: C26H29NO : HCl
Mol.Wt.: 371.5 : 36.5
Inv. Status: In Stock
Rel. CAS No : 7728-73-6 (free base) ; 2247751-63-7 (dihydrate)

Tamoxifen Impurity 1

Picture of Tamoxifen Impurity 1
CAT No: SZ-T038017
CAS No: 130605-17-3
Mol.F. : C26H27NO
Mol.Wt. : 369.5
Inv. Status: Custom Synthesis
SZ-T038017
CAS No:130605-17-3
Mol.F.: C26H27NO
Mol.Wt.: 369.5
Inv. Status: Custom Synthesis

Tamoxifen Impurity 2

Picture of Tamoxifen Impurity 2
CAT No: SZ-T038018
CAS No: NA
Mol.F. : C26H27NO
Mol.Wt. : 369.5
Inv. Status: Custom Synthesis
SZ-T038018
CAS No:NA
Mol.F.: C26H27NO
Mol.Wt.: 369.5
Inv. Status: Custom Synthesis

Tamoxifen Impurity 3

Picture of Tamoxifen Impurity 3
CAT No: SZ-T038019
CAS No: 51777-15-2
Mol.F. : C17H19NO2
Mol.Wt. : 269.3
Inv. Status: Custom Synthesis
SZ-T038019
CAS No:51777-15-2
Mol.F.: C17H19NO2
Mol.Wt.: 269.3
Inv. Status: Custom Synthesis

Tamoxifen EP Impurity C Citrate

Picture of Tamoxifen EP Impurity C Citrate
CAT No: SZ-T038020
CAS No: 20171-74-8
Mol.F. : C24H25NO : C6H8O7
Mol.Wt. : 343.5 : 192.1
Inv. Status: In Stock
Rel. CAS No : 19957-51-8 (free base)
SZ-T038020
CAS No:20171-74-8
Mol.F.: C24H25NO : C6H8O7
Mol.Wt.: 343.5 : 192.1
Inv. Status: In Stock
Rel. CAS No : 19957-51-8 (free base)

Tamoxifen Dimer (Mixture of diastereomers)

Picture of Tamoxifen Dimer (Mixture of diastereomers)
CAT No: SZ-T038022
CAS No: 1346606-51-6
Mol.F. : C49H49NO2
Mol.Wt. : 683.9
Inv. Status: Under Synthesis
SZ-T038022
CAS No:1346606-51-6
Mol.F.: C49H49NO2
Mol.Wt.: 683.9
Inv. Status: Under Synthesis

Z-Chlorolefine

Picture of Z-Chlorolefine
CAT No: SZ-T038023
CAS No: 97818-83-2
Mol.F. : C24H23ClO
Mol.Wt. : 362.9
Inv. Status: In Stock
SZ-T038023
CAS No:97818-83-2
Mol.F.: C24H23ClO
Mol.Wt.: 362.9
Inv. Status: In Stock

Tamoxifen Impurity 4

Picture of Tamoxifen Impurity 4
CAT No: SZ-T038024
CAS No: 103628-22-4
Mol.F. : C18H19ClO2
Mol.Wt. : 302.8
Inv. Status: Custom Synthesis
SZ-T038024
CAS No:103628-22-4
Mol.F.: C18H19ClO2
Mol.Wt.: 302.8
Inv. Status: Custom Synthesis

Tamoxifen

Picture of Tamoxifen
CAT No: SZ-T038025
CAS No: 10540-29-1
Mol.F. : C26H29NO
Mol.Wt. : 371.5
Inv. Status: Custom Synthesis
Rel. CAS No : 66584-35-8 (HCl salt) ; 20271-75-4 (HBr salt) ; 54965-24-1 (Citrate salt)
SZ-T038025
CAS No:10540-29-1
Mol.F.: C26H29NO
Mol.Wt.: 371.5
Inv. Status: Custom Synthesis
Rel. CAS No : 66584-35-8 (HCl salt) ; 20271-75-4 (HBr salt) ; 54965-24-1 (Citrate salt)

Tamoxifen EP Impurity A

Picture of Tamoxifen EP Impurity A
CAT No: SZ-T038026
CAS No: 13002-65-8
Mol.F. : C26H29NO
Mol.Wt. : 371.5
Inv. Status: Custom Synthesis
Rel. CAS No : 66584-36-9 (HCl salt)
SZ-T038026
CAS No:13002-65-8
Mol.F.: C26H29NO
Mol.Wt.: 371.5
Inv. Status: Custom Synthesis
Rel. CAS No : 66584-36-9 (HCl salt)

E-Chlorolefine

Picture of E-Chlorolefine
CAT No: SZ-T038028
CAS No: 97818-84-3
Mol.F. : C24H23ClO
Mol.Wt. : 362.9
Inv. Status: In Stock
SZ-T038028
CAS No:97818-84-3
Mol.F.: C24H23ClO
Mol.Wt.: 362.9
Inv. Status: In Stock

N,N-Didesmethyl-4-Hydroxy Tamoxifen

Picture of N,N-Didesmethyl-4-Hydroxy Tamoxifen
CAT No: SZ-T038029
CAS No: 1217237-98-3
Mol.F. : C24H25NO2
Mol.Wt. : 359.5
Inv. Status: Custom Synthesis
SZ-T038029
CAS No:1217237-98-3
Mol.F.: C24H25NO2
Mol.Wt.: 359.5
Inv. Status: Custom Synthesis

Tamoxifen Impurity 5

Picture of Tamoxifen Impurity 5
CAT No: SZ-T038030
CAS No: 79578-62-4
Mol.F. : C15H13BrO3
Mol.Wt. : 321.2
Inv. Status: Custom Synthesis
SZ-T038030
CAS No:79578-62-4
Mol.F.: C15H13BrO3
Mol.Wt.: 321.2
Inv. Status: Custom Synthesis

Tamoxifen Impurity 6

Picture of Tamoxifen Impurity 6
CAT No: SZ-T038031
CAS No: 300586-87-2
Mol.F. : C22H22O2
Mol.Wt. : 318.4
Inv. Status: Custom Synthesis
SZ-T038031
CAS No:300586-87-2
Mol.F.: C22H22O2
Mol.Wt.: 318.4
Inv. Status: Custom Synthesis

Tamoxifen Impurity 7

Picture of Tamoxifen Impurity 7
CAT No: SZ-T038032
CAS No: 69967-80-2
Mol.F. : C22H20O
Mol.Wt. : 300.4
Inv. Status: Custom Synthesis
SZ-T038032
CAS No:69967-80-2
Mol.F.: C22H20O
Mol.Wt.: 300.4
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Temoxifen D3

Picture of Temoxifen D3
CAT No: SZ-T038D01
CAS No: 508201-30-7
Mol.F. : C26H26D3NO
Mol.Wt. : 374.5
Inv. Status: Custom Synthesis
SZ-T038D01
CAS No:508201-30-7
Mol.F.: C26H26D3NO
Mol.Wt.: 374.5
Inv. Status: Custom Synthesis

Temoxifen D5

Picture of Temoxifen D5
CAT No: SZ-T038D02
CAS No: 157698-32-3
Mol.F. : C26H24D5NO
Mol.Wt. : 376.6
Inv. Status: Custom Synthesis
SZ-T038D02
CAS No:157698-32-3
Mol.F.: C26H24D5NO
Mol.Wt.: 376.6
Inv. Status: Custom Synthesis

(Z)-4-Hydroxy Tamoxifen-D5

Picture of (Z)-4-Hydroxy Tamoxifen-D5
CAT No: SZ-T038D03
CAS No: 164365-20-2
Mol.F. : C26H24D5NO2
Mol.Wt. : 392.6
Inv. Status: Custom Synthesis
Rel. CAS No : 68047-06-3 (Unlabeled)
SZ-T038D03
CAS No:164365-20-2
Mol.F.: C26H24D5NO2
Mol.Wt.: 392.6
Inv. Status: Custom Synthesis
Rel. CAS No : 68047-06-3 (Unlabeled)

(Z)-4-Hydroxy-N-Desmethyl Tamoxifen D5

Picture of (Z)-4-Hydroxy-N-Desmethyl Tamoxifen D5
CAT No: SZ-T038D04
CAS No: 1584173-54-5
Mol.F. : C25H22D5NO2
Mol.Wt. : 378.5
Inv. Status: Custom Synthesis
SZ-T038D04
CAS No:1584173-54-5
Mol.F.: C25H22D5NO2
Mol.Wt.: 378.5
Inv. Status: Custom Synthesis

N-Nitroso Tamoxifen EP Impurity F D3

Picture of N-Nitroso Tamoxifen EP Impurity F D3
CAT No: SZ-T038D05
CAS No: NA
Mol.F. : C25H23D3N2O2
Mol.Wt. : 389.5
Inv. Status: In Stock
SZ-T038D05
CAS No:NA
Mol.F.: C25H23D3N2O2
Mol.Wt.: 389.5
Inv. Status: In Stock

Possible Nitroso Standards

N-Nitroso Tamoxifen EP Impurity F

Picture of N-Nitroso Tamoxifen EP Impurity F
CAT No: SZ-T038027
CAS No: NA
Mol.F. : C25H26N2O2
Mol.Wt. : 386.5
Inv. Status: In Stock
SZ-T038027
CAS No:NA
Mol.F.: C25H26N2O2
Mol.Wt.: 386.5
Inv. Status: In Stock