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Pharmaceutical Reference Standards

Bisoprolol Fumarate

Picture of Bisoprolol Fumarate
CAT No: SZ-B003001
CAS No: 104344-23-2
Mol.F. : C18H31NO4 : 1/2(C4H4O4)
Mol.Wt. : 325.4 : 1/2(116.1)
Inv. Status: In Stock
Rel. CAS No : 66722-44-9 (free base)
Rel. CAT No : SZ-B003047,
SZ-B003001
CAS No:104344-23-2
Mol.F.: C18H31NO4 : 1/2(C4H4O4)
Mol.Wt.: 325.4 : 1/2(116.1)
Inv. Status: In Stock
Rel. CAS No : 66722-44-9 (free base)

Bisoprolol EP Impurity A

Picture of Bisoprolol EP Impurity A
CAT No: SZ-B003002
CAS No: 62572-93-4
Mol.F. : C13H21NO3
Mol.Wt. : 239.3
Inv. Status: In Stock
SZ-B003002
CAS No:62572-93-4
Mol.F.: C13H21NO3
Mol.Wt.: 239.3
Inv. Status: In Stock

Bisoprolol EP Impurity B

Picture of Bisoprolol EP Impurity B
CAT No: SZ-B003003
CAS No: 1447715-44-7
Mol.F. : C18H31NO4
Mol.Wt. : 325.4
Inv. Status: In Stock
SZ-B003003
CAS No:1447715-44-7
Mol.F.: C18H31NO4
Mol.Wt.: 325.4
Inv. Status: In Stock

Bisoprolol EP Impurity C

Picture of Bisoprolol EP Impurity C
CAT No: SZ-B003004
CAS No: 1797132-90-1
Mol.F. : C25H38N2O4
Mol.Wt. : 430.6
Inv. Status: In Stock
SZ-B003004
CAS No:1797132-90-1
Mol.F.: C25H38N2O4
Mol.Wt.: 430.6
Inv. Status: In Stock

Bisoprolol EP Impurity D

Picture of Bisoprolol EP Impurity D
CAT No: SZ-B003005
CAS No: 1225195-71-0
Mol.F. : C26H40N205
Mol.Wt. : 460.6
Inv. Status: In Stock
Rel. CAT No : SZ-B003048,
SZ-B003005
CAS No:1225195-71-0
Mol.F.: C26H40N205 
Mol.Wt.: 460.6 
Inv. Status: In Stock

Bisoprolol EP Impurity E

Picture of Bisoprolol EP Impurity E
CAT No: SZ-B003006
CAS No: 1217245-60-7
Mol.F. : C18H29NO3
Mol.Wt. : 307.4
Inv. Status: In Stock
SZ-B003006
CAS No:1217245-60-7
Mol.F.: C18H29NO3
Mol.Wt.: 307.4
Inv. Status: In Stock

Bisoprolol EP Impurity F

Picture of Bisoprolol EP Impurity F
CAT No: SZ-B003007
CAS No: 2470233-28-2
Mol.F. : C18H31NO4 : C4H4O4
Mol.Wt. : 325.4 : 116.1
Inv. Status: Under Synthesis
Rel. CAS No : 1798418-82-2 (free base)
SZ-B003007
CAS No:2470233-28-2
Mol.F.: C18H31NO4 : C4H4O4
Mol.Wt.: 325.4 : 116.1
Inv. Status: Under Synthesis
Rel. CAS No : 1798418-82-2 (free base)

Bisoprolol EP Impurity G

Picture of Bisoprolol EP Impurity G
CAT No: SZ-B003008
CAS No: NA
Mol.F. : C19H33NO5 : 1/2(C4H4O4)
Mol.Wt. : 355.5 : 1/2(116.1)
Inv. Status: Limited Stock
Rel. CAS No : 1215342-36-1 (free base)
SZ-B003008
CAS No:NA
Mol.F.: C19H33NO5 : 1/2(C4H4O4)
Mol.Wt.: 355.5 : 1/2(116.1)
Inv. Status: Limited Stock
Rel. CAS No : 1215342-36-1 (free base)

Bisoprolol EP Impurity J

Picture of Bisoprolol EP Impurity J
CAT No: SZ-B003009
CAS No: 1797024-50-0
Mol.F. : C15H24O5
Mol.Wt. : 284.4
Inv. Status: Out of Stock
SZ-B003009
CAS No:1797024-50-0
Mol.F.: C15H24O5
Mol.Wt.: 284.4
Inv. Status: Out of Stock

Bisoprolol EP Impurity K

Picture of Bisoprolol EP Impurity K
CAT No: SZ-B003010
CAS No: 864544-37-6
Mol.F. : C18H29NO5
Mol.Wt. : 339.4
Inv. Status: In Stock
SZ-B003010
CAS No:864544-37-6
Mol.F.: C18H29NO5
Mol.Wt.: 339.4
Inv. Status: In Stock

Bisoprolol EP Impurity L

Picture of Bisoprolol EP Impurity L
CAT No: SZ-B003011
CAS No: 29122-74-5
Mol.F. : C13H19NO3
Mol.Wt. : 237.3
Inv. Status: In Stock
Rel. CAS No : 1956321-87-1 (HCl salt) ; 1639933-77-9 (Oxalate sat)
Rel. CAT No : SZ-M021007,
SZ-B003011
CAS No:29122-74-5
Mol.F.: C13H19NO3
Mol.Wt.: 237.3
Inv. Status: In Stock
Rel. CAS No : 1956321-87-1 (HCl salt) ; 1639933-77-9 (Oxalate sat)

Bisoprolol EP Impurity M

Picture of Bisoprolol EP Impurity M
CAT No: SZ-B003012
CAS No: 177034-57-0
Mol.F. : C12H18O3
Mol.Wt. : 210.3
Inv. Status: In Stock
SZ-B003012
CAS No:177034-57-0
Mol.F.: C12H18O3
Mol.Wt.: 210.3
Inv. Status: In Stock

Bisoprolol EP Impurity N

Picture of Bisoprolol EP Impurity N
CAT No: SZ-B003013
CAS No: 1346601-75-9
Mol.F. : C17H29NO4
Mol.Wt. : 311.4
Inv. Status: In Stock
SZ-B003013
CAS No:1346601-75-9
Mol.F.: C17H29NO4
Mol.Wt.: 311.4
Inv. Status: In Stock

Bisoprolol EP Impurity Q

Picture of Bisoprolol EP Impurity Q
CAT No: SZ-B003014
CAS No: 1346604-00-9
Mol.F. : C16H27NO4
Mol.Wt. : 297.4
Inv. Status: In Stock
SZ-B003014
CAS No:1346604-00-9
Mol.F.: C16H27NO4
Mol.Wt.: 297.4
Inv. Status: In Stock

Bisoprolol EP Impurity R

Picture of Bisoprolol EP Impurity R
CAT No: SZ-B003015
CAS No: 5790-46-5
Mol.F. : C13H21NO2
Mol.Wt. : 223.3
Inv. Status: In Stock
SZ-B003015
CAS No:5790-46-5
Mol.F.: C13H21NO2
Mol.Wt.: 223.3
Inv. Status: In Stock

Bisoprolol EP Impurity S

Picture of Bisoprolol EP Impurity S
CAT No: SZ-B003016
CAS No: 123-08-0
Mol.F. : C7H6O2
Mol.Wt. : 122.1
Inv. Status: In Stock
SZ-B003016
CAS No:123-08-0
Mol.F.: C7H6O2
Mol.Wt.: 122.1
Inv. Status: In Stock

Bisoprolol Alcohol Impurity

Picture of Bisoprolol Alcohol Impurity
CAT No: SZ-B003017
CAS No: 623-05-2
Mol.F. : C7H8O2
Mol.Wt. : 124.1
Inv. Status: In Stock
SZ-B003017
CAS No:623-05-2
Mol.F.: C7H8O2
Mol.Wt.: 124.1
Inv. Status: In Stock

Bisoprolol Epoxide Impurity

Picture of Bisoprolol Epoxide Impurity
CAT No: SZ-B003018
CAS No: 66722-57-4
Mol.F. : C15H22O4
Mol.Wt. : 266.3
Inv. Status: In Stock
SZ-B003018
CAS No:66722-57-4
Mol.F.: C15H22O4
Mol.Wt.: 266.3
Inv. Status: In Stock

Bisoprolol Hydroxymethyl Oxiran Impurity

Picture of Bisoprolol Hydroxymethyl Oxiran Impurity
CAT No: SZ-B003019
CAS No: 4204-78-8
Mol.F. : C10H12O3
Mol.Wt. : 180.2
Inv. Status: In Stock
SZ-B003019
CAS No:4204-78-8
Mol.F.: C10H12O3 
Mol.Wt.: 180.2 
Inv. Status: In Stock

Bisoprolol Carboxylic Acid Impurity

Picture of Bisoprolol Carboxylic Acid Impurity
CAT No: SZ-B003020
CAS No: NA
Mol.F. : C13H18LiNO4
Mol.Wt. : 259.2
Inv. Status: Custom Synthesis
Rel. CAS No : 72570-70-8 (free base)
SZ-B003020
CAS No:NA
Mol.F.: C13H18LiNO4 
Mol.Wt.: 259.2 
Inv. Status: Custom Synthesis
Rel. CAS No : 72570-70-8 (free base)

Bisoprolol Impurity 1

Picture of Bisoprolol Impurity 1
CAT No: SZ-B003021
CAS No: 1346603-05-1
Mol.F. : C15H20O5
Mol.Wt. : 280.3
Inv. Status: Out of Stock
SZ-B003021
CAS No:1346603-05-1
Mol.F.: C15H20O5
Mol.Wt.: 280.3
Inv. Status: Out of Stock

Bisoprolol Impurity 2

Picture of Bisoprolol Impurity 2
CAT No: SZ-B003022
CAS No: 2186-24-5
Mol.F. : C10H12O2
Mol.Wt. : 164.2
Inv. Status: Limited Stock
SZ-B003022
CAS No:2186-24-5
Mol.F.: C10H12O2
Mol.Wt.: 164.2
Inv. Status: Limited Stock

Bisoprolol dimer

Picture of Bisoprolol dimer
CAT No: SZ-B003023
CAS No: NA
Mol.F. : C33H53NO8
Mol.Wt. : 591.8
Inv. Status: In Stock
SZ-B003023
CAS No:NA
Mol.F.: C33H53NO8
Mol.Wt.: 591.8
Inv. Status: In Stock

Bisoprolol EP Impurity T

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CAT No: SZ-B003024
CAS No: 1173203-26-3
Mol.F. : C14H17NO4
Mol.Wt. : 263.3
Inv. Status: In Stock
SZ-B003024
CAS No:1173203-26-3
Mol.F.: C14H17NO4
Mol.Wt.: 263.3
Inv. Status: In Stock

Bisoprolol EP Impurity U

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CAT No: SZ-B003025
CAS No: 1071765-44-0
Mol.F. : C14H19NO4
Mol.Wt. : 265.3
Inv. Status: In Stock
SZ-B003025
CAS No:1071765-44-0
Mol.F.: C14H19NO4
Mol.Wt.: 265.3
Inv. Status: In Stock

Bisoprolol Impurity 3

Picture of Bisoprolol Impurity 3
CAT No: SZ-B003026
CAS No: 2095-03-6
Mol.F. : C19H20O4
Mol.Wt. : 312.4
Inv. Status: In Stock
SZ-B003026
CAS No:2095-03-6
Mol.F.: C19H20O4
Mol.Wt.: 312.4
Inv. Status: In Stock

Bisoprolol Impurity 4

Picture of Bisoprolol Impurity 4
CAT No: SZ-B003027
CAS No: NA
Mol.F. : C20H22O5
Mol.Wt. : 342.4
Inv. Status: Under Synthesis
SZ-B003027
CAS No:NA
Mol.F.: C20H22O5
Mol.Wt.: 342.4
Inv. Status: Under Synthesis

Bisoprolol Impurity 5

Picture of Bisoprolol Impurity 5
CAT No: SZ-B003028
CAS No: 14697-49-5
Mol.F. : C10H10O3
Mol.Wt. : 178.2
Inv. Status: In Stock
SZ-B003028
CAS No:14697-49-5
Mol.F.: C10H10O3
Mol.Wt.: 178.2
Inv. Status: In Stock

Bisoprolol Impurity 6

Picture of Bisoprolol Impurity 6
CAT No: SZ-B003029
CAS No: 2514957-47-0
Mol.F. : C15H22O4
Mol.Wt. : 266.3
Inv. Status: In Stock
SZ-B003029
CAS No:2514957-47-0
Mol.F.: C15H22O4
Mol.Wt.: 266.3
Inv. Status: In Stock

2-Isopropoxyethanol

Picture of 2-Isopropoxyethanol
CAT No: SZ-B003030
CAS No: 109-59-1
Mol.F. : C5H12O2
Mol.Wt. : 104.2
Inv. Status: In Stock
SZ-B003030
CAS No:109-59-1
Mol.F.: C5H12O2
Mol.Wt.: 104.2
Inv. Status: In Stock

N-Desisopropyl-N-Formyl Bisoprolol

Picture of N-Desisopropyl-N-Formyl Bisoprolol
CAT No: SZ-B003031
CAS No: 1346602-59-2
Mol.F. : C16H25NO5
Mol.Wt. : 311.4
Inv. Status: In Stock
SZ-B003031
CAS No:1346602-59-2
Mol.F.: C16H25NO5
Mol.Wt.: 311.4
Inv. Status: In Stock

Bisoprolol N-Aldehyde

Picture of Bisoprolol N-Aldehyde
CAT No: SZ-B003033
CAS No: 1447715-45-8
Mol.F. : C19H31NO5
Mol.Wt. : 353.5
Inv. Status: In Stock
SZ-B003033
CAS No:1447715-45-8
Mol.F.: C19H31NO5
Mol.Wt.: 353.5
Inv. Status: In Stock

Bisoprolol Hydroxyethyl Ester Impurity

Picture of Bisoprolol Hydroxyethyl Ester Impurity
CAT No: SZ-B003034
CAS No: 1346601-19-1
Mol.F. : C15H23NO5
Mol.Wt. : 297.4
Inv. Status: Out of Stock
SZ-B003034
CAS No:1346601-19-1
Mol.F.: C15H23NO5
Mol.Wt.: 297.4
Inv. Status: Out of Stock

Bisoprolol Diene Impurity

Picture of Bisoprolol Diene Impurity
CAT No: SZ-B003035
CAS No: NA
Mol.F. : C19H29NO2
Mol.Wt. : 303.4
Inv. Status: Custom Synthesis
SZ-B003035
CAS No:NA
Mol.F.: C19H29NO2
Mol.Wt.: 303.4
Inv. Status: Custom Synthesis

Bisoprolol Methyl Ester

Picture of Bisoprolol Methyl Ester
CAT No: SZ-B003036
CAS No: 33947-97-6
Mol.F. : C14H21NO4
Mol.Wt. : 267.3
Inv. Status: Custom Synthesis
SZ-B003036
CAS No:33947-97-6
Mol.F.: C14H21NO4
Mol.Wt.: 267.3
Inv. Status: Custom Synthesis

Bisoprolol Impurity 8

Picture of Bisoprolol Impurity 8
CAT No: SZ-B003037
CAS No: 704200-67-9
Mol.F. : C15H23ClO4
Mol.Wt. : 302.8
Inv. Status: In Stock
SZ-B003037
CAS No:704200-67-9
Mol.F.: C15H23ClO4
Mol.Wt.: 302.8
Inv. Status: In Stock

Bisoprolol Impurity 9

Picture of Bisoprolol Impurity 9
CAT No: SZ-B003038
CAS No: 59383-52-7
Mol.F. : C15H25NO3
Mol.Wt. : 267.4
Inv. Status: Custom Synthesis
SZ-B003038
CAS No:59383-52-7
Mol.F.: C15H25NO3
Mol.Wt.: 267.4
Inv. Status: Custom Synthesis

Bisoprolol Impurity 10

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CAT No: SZ-B003039
CAS No: 2469273-10-5
Mol.F. : C14H23NO3
Mol.Wt. : 253.3
Inv. Status: Custom Synthesis
SZ-B003039
CAS No:2469273-10-5
Mol.F.: C14H23NO3
Mol.Wt.: 253.3
Inv. Status: Custom Synthesis

Bisoprolol Impurity 12

Picture of Bisoprolol Impurity 12
CAT No: SZ-B003041
CAS No: NA
Mol.F. : C19H33NO4
Mol.Wt. : 339.5
Inv. Status: Custom Synthesis
SZ-B003041
CAS No:NA
Mol.F.: C19H33NO4
Mol.Wt.: 339.5
Inv. Status: Custom Synthesis

Bisoprolol Phenol Impurity

Picture of Bisoprolol Phenol Impurity
CAT No: SZ-B003043
CAS No: 62340-37-8
Mol.F. : C12H19NO3
Mol.Wt. : 225.3
Inv. Status: Custom Synthesis
Rel. CAS No : 2829-84-7 (HCl salt)
SZ-B003043
CAS No:62340-37-8
Mol.F.: C12H19NO3
Mol.Wt.: 225.3
Inv. Status: Custom Synthesis
Rel. CAS No : 2829-84-7 (HCl salt)

Des O-Isopropyl Bisoprolol

Picture of Des O-Isopropyl Bisoprolol
CAT No: SZ-B003044
CAS No: 109791-18-6
Mol.F. : C15H25NO4
Mol.Wt. : 283.4
Inv. Status: Custom Synthesis
SZ-B003044
CAS No:109791-18-6
Mol.F.: C15H25NO4
Mol.Wt.: 283.4
Inv. Status: Custom Synthesis

Phosphomonoester Of Bisoprolol

Picture of Phosphomonoester Of Bisoprolol
CAT No: SZ-B003045
CAS No: NA
Mol.F. : C18H32NO7P
Mol.Wt. : 405.4
Inv. Status: Under Synthesis
SZ-B003045
CAS No:NA
Mol.F.: C18H32NO7P
Mol.Wt.: 405.4
Inv. Status: Under Synthesis

Bisoprolol Benzylalcohol

Picture of Bisoprolol Benzylalcohol
CAT No: SZ-B003046
CAS No: NA
Mol.F. : C13H21NO3 : C4H4O4
Mol.Wt. : 239.3 : 116.1
Inv. Status: Custom Synthesis
Rel. CAS No : 2290571-50-3 (free base)
SZ-B003046
CAS No:NA
Mol.F.: C13H21NO3 : C4H4O4
Mol.Wt.: 239.3 : 116.1
Inv. Status: Custom Synthesis
Rel. CAS No : 2290571-50-3 (free base)

Bisoprolol

Picture of Bisoprolol
CAT No: SZ-B003047
CAS No: 66722-44-9
Mol.F. : C18H31NO4
Mol.Wt. : 325.4
Inv. Status: Custom Synthesis
Rel. CAS No : 104344-23-2 (fumarate salt)
Rel. CAT No : SZ-B003001,
SZ-B003047
CAS No:66722-44-9
Mol.F.: C18H31NO4
Mol.Wt.: 325.4
Inv. Status: Custom Synthesis
Rel. CAS No : 104344-23-2 (fumarate salt)

Bisoprolol EP Impurity D (TFA)

Picture of Bisoprolol EP Impurity D (TFA)
CAT No: SZ-B003048
CAS No: NA
Mol.F. : C26H40N2O5 : 2(C2HF3O2)
Mol.Wt. : 460.6 : 2(114.0)
Inv. Status: Limited Stock
Rel. CAS No : 1225195-71-0 (TFA salt)
Rel. CAT No : SZ-B003005,
SZ-B003048
CAS No:NA
Mol.F.: C26H40N2O5 : 2(C2HF3O2)
Mol.Wt.: 460.6 : 2(114.0)
Inv. Status: Limited Stock
Rel. CAS No : 1225195-71-0 (TFA salt)

Bisoprolol Impurity 13

Picture of Bisoprolol Impurity 13
CAT No: SZ-B003049
CAS No: 72570-70-8
Mol.F. : C13H19NO4
Mol.Wt. : 253.3
Inv. Status: Custom Synthesis
SZ-B003049
CAS No:72570-70-8
Mol.F.: C13H19NO4
Mol.Wt.: 253.3
Inv. Status: Custom Synthesis

Bisoprolol Impurity 14

Picture of Bisoprolol Impurity 14
CAT No: SZ-B003050
CAS No: NA
Mol.F. : C33H53NO8
Mol.Wt. : 591.8
Inv. Status: Out of Stock
SZ-B003050
CAS No:NA
Mol.F.: C33H53NO8
Mol.Wt.: 591.8
Inv. Status: Out of Stock

Bisoprolol Impurity 15

Picture of Bisoprolol Impurity 15
CAT No: SZ-B003051
CAS No: 235097-76-4
Mol.F. : C6H14O4S
Mol.Wt. : 182.2
Inv. Status: Custom Synthesis
SZ-B003051
CAS No:235097-76-4
Mol.F.: C6H14O4S
Mol.Wt.: 182.2
Inv. Status: Custom Synthesis

N-Acetyl Bisoprolol

Picture of N-Acetyl Bisoprolol
CAT No: SZ-B003052
CAS No: 66722-65-4
Mol.F. : C20H33NO5
Mol.Wt. : 367.5
Inv. Status: Custom Synthesis
SZ-B003052
CAS No:66722-65-4
Mol.F.: C20H33NO5
Mol.Wt.: 367.5
Inv. Status: Custom Synthesis

Bisoprolol Impurity 16

Picture of Bisoprolol Impurity 16
CAT No: SZ-B003053
CAS No: NA
Mol.F. : C22H35NO8
Mol.Wt. : 441.5
Inv. Status: Custom Synthesis
SZ-B003053
CAS No:NA
Mol.F.: C22H35NO8
Mol.Wt.: 441.5
Inv. Status: Custom Synthesis

Bisoprolol Impurity 17

Picture of Bisoprolol Impurity 17
CAT No: SZ-B003054
CAS No: NA
Mol.F. : C22H35NO8
Mol.Wt. : 441.5
Inv. Status: Custom Synthesis
SZ-B003054
CAS No:NA
Mol.F.: C22H35NO8
Mol.Wt.: 441.5
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

4-Hydroxybenzaldehyde D5

Picture of 4-Hydroxybenzaldehyde D5
CAT No: SZ-B003D01
CAS No: 298704-22-0
Mol.F. : C7HD5O2
Mol.Wt. : 127.2
Inv. Status: Custom Synthesis
SZ-B003D01
CAS No:298704-22-0
Mol.F.: C7HD5O2
Mol.Wt.: 127.2
Inv. Status: Custom Synthesis

Bisoprolol D5 Fumarate

Picture of Bisoprolol D5 Fumarate
CAT No: SZ-B003D02
CAS No: 2140803-85-4
Mol.F. : C18H26D5NO4 : C4H4O4
Mol.Wt. : 330.5 : 116.1
Inv. Status: Custom Synthesis
Rel. CAS No : 1189881-87-5 (free base)
SZ-B003D02
CAS No:2140803-85-4
Mol.F.: C18H26D5NO4 : C4H4O4
Mol.Wt.: 330.5 : 116.1
Inv. Status: Custom Synthesis
Rel. CAS No : 1189881-87-5 (free base)

Bisoprolol D5

Picture of Bisoprolol D5
CAT No: SZ-B003D03
CAS No: NA
Mol.F. : C18H26D5NO4
Mol.Wt. : 330.5
Inv. Status: Custom Synthesis
SZ-B003D03
CAS No:NA
Mol.F.: C18H26D5NO4
Mol.Wt.: 330.5
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso-Bisoprolol

Picture of N-Nitroso-Bisoprolol
CAT No: SZ-B003042
CAS No: NA
Mol.F. : C18H30N2O5
Mol.Wt. : 354.4
Inv. Status: In Stock
SZ-B003042
CAS No:NA
Mol.F.: C18H30N2O5
Mol.Wt.: 354.4
Inv. Status: In Stock