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Pharmaceutical Reference Standards

Ceftriaxone Disodium Hydrate

Picture of Ceftriaxone Disodium Hydrate
CAT No: SZ-C082001
CAS No: NA
Mol.F. : C18H18N8O7S3 : 2(Na) : (H2O)
Mol.Wt. : 554.6 : 2(23.0) : (18.0)
Inv. Status: In Stock
Rel. CAS No : 73384-59-5 (Free base)
SZ-C082001
CAS No:NA
Mol.F.: C18H18N8O7S3 : 2(Na) : (H2O)
Mol.Wt.: 554.6 : 2(23.0) : (18.0)
Inv. Status: In Stock
Rel. CAS No : 73384-59-5 (Free base)

Ceftriaxone EP Impurity A

Picture of Ceftriaxone EP Impurity A
CAT No: SZ-C082002
CAS No: 92143-31-2
Mol.F. : C18H18N8O7S3
Mol.Wt. : 554.6
Inv. Status: In Stock
Rel. CAS No : 97164-54-0 (Disodium salt)
SZ-C082002
CAS No:92143-31-2
Mol.F.: C18H18N8O7S3
Mol.Wt.: 554.6
Inv. Status: In Stock
Rel. CAS No : 97164-54-0 (Disodium salt)

Ceftriaxone EP Impurity B

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CAT No: SZ-C082003
CAS No: 66340-33-8
Mol.F. : C14H13N5O5S2
Mol.Wt. : 395.4
Inv. Status: In Stock
SZ-C082003
CAS No:66340-33-8
Mol.F.: C14H13N5O5S2
Mol.Wt.: 395.4
Inv. Status: In Stock

Ceftriaxone EP Impurity C

Picture of Ceftriaxone EP Impurity C
CAT No: SZ-C082004
CAS No: 58909-39-0
Mol.F. : C4H5N3O2S
Mol.Wt. : 159.2
Inv. Status: In Stock
Rel. CAS No : 106393-23-1 (Na salt)
SZ-C082004
CAS No:58909-39-0
Mol.F.: C4H5N3O2S
Mol.Wt.: 159.2
Inv. Status: In Stock
Rel. CAS No : 106393-23-1 (Na salt)

Ceftriaxone EP Impurity D

Picture of Ceftriaxone EP Impurity D
CAT No: SZ-C082005
CAS No: 80756-85-0
Mol.F. : C13H10N4O2S3
Mol.Wt. : 350.4
Inv. Status: In Stock
Rel. CAS No : 1401217-78-4 (HCl salt)
SZ-C082005
CAS No:80756-85-0
Mol.F.: C13H10N4O2S3
Mol.Wt.: 350.4
Inv. Status: In Stock
Rel. CAS No : 1401217-78-4 (HCl salt)

Ceftriaxone EP Impurity E

Picture of Ceftriaxone EP Impurity E
CAT No: SZ-C082006
CAS No: 58909-56-1
Mol.F. : C12H13N5O5S2
Mol.Wt. : 371.4
Inv. Status: In Stock
Rel. CAS No : 113791-11-0 (HCl salt)
SZ-C082006
CAS No:58909-56-1
Mol.F.: C12H13N5O5S2
Mol.Wt.: 371.4
Inv. Status: In Stock
Rel. CAS No : 113791-11-0 (HCl salt)

Ceftriaxone Impurity 1

Picture of Ceftriaxone Impurity 1
CAT No: SZ-C082007
CAS No: 1684396-27-7
Mol.F. : C13H10N4O2S3
Mol.Wt. : 350.4
Inv. Status: Custom Synthesis
SZ-C082007
CAS No:1684396-27-7
Mol.F.: C13H10N4O2S3
Mol.Wt.: 350.4
Inv. Status: Custom Synthesis

Ceftriaxone Impurity 2

Picture of Ceftriaxone Impurity 2
CAT No: SZ-C082008
CAS No: 84994-24-1
Mol.F. : C13H10N4O3S2
Mol.Wt. : 334.4
Inv. Status: Custom Synthesis
SZ-C082008
CAS No:84994-24-1
Mol.F.: C13H10N4O3S2 
Mol.Wt.: 334.4
Inv. Status: Custom Synthesis

Ceftriaxone Impurity 3

Picture of Ceftriaxone Impurity 3
CAT No: SZ-C082009
CAS No: 959246-33-4
Mol.F. : C13H10N4O2S3
Mol.Wt. : 350.4
Inv. Status: Custom Synthesis
SZ-C082009
CAS No:959246-33-4
Mol.F.: C13H10N4O2S3 
Mol.Wt.: 350.4
Inv. Status: Custom Synthesis

Ceftriaxone Impurity Cefotaxime

Picture of Ceftriaxone Impurity Cefotaxime
CAT No: SZ-C082010
CAS No: 63527-52-6
Mol.F. : C16H17N5O7S2
Mol.Wt. : 455.5
Inv. Status: Custom Synthesis
Rel. CAS No : 219827-56-2
SZ-C082010
CAS No:63527-52-6
Mol.F.: C16H17N5O7S2
Mol.Wt.: 455.5
Inv. Status: Custom Synthesis
Rel. CAS No : 219827-56-2

Ceftriaxone Impurity Cefotaxime Triethylamine

Picture of Ceftriaxone Impurity Cefotaxime Triethylamine
CAT No: SZ-C082011
CAS No: 219827-56-2
Mol.F. : C16H17N5O7S2 : C6H15N
Mol.Wt. : 455.5 : 101.2
Inv. Status: In Stock
Rel. CAS No : 63527-52-6 (Free base)
SZ-C082011
CAS No:219827-56-2
Mol.F.: C16H17N5O7S2 : C6H15N
Mol.Wt.: 455.5 : 101.2
Inv. Status: In Stock
Rel. CAS No : 63527-52-6 (Free base)

Ceftriaxone Impurity MBT

Picture of Ceftriaxone Impurity MBT
CAT No: SZ-C082012
CAS No: 149-30-4
Mol.F. : C7H5NS2
Mol.Wt. : 167.2
Inv. Status: In Stock
Rel. CAS No : 2492-26-4 (Na salt) ; 7778-70-3 (K salt)
SZ-C082012
CAS No:149-30-4
Mol.F.: C7H5NS2
Mol.Wt.: 167.2
Inv. Status: In Stock
Rel. CAS No : 2492-26-4 (Na salt) ; 7778-70-3 (K salt)

Ceftriaxone 3-Ene Isomer

Picture of Ceftriaxone 3-Ene Isomer
CAT No: SZ-C082013
CAS No: 73384-59-5
Mol.F. : C18H18N8O7S3
Mol.Wt. : 554.6
Inv. Status: In Stock
Rel. CAS No : 958633-51-7 (Na salt) ; 130091-53-1 (calcium salt)
SZ-C082013
CAS No:73384-59-5
Mol.F.: C18H18N8O7S3
Mol.Wt.: 554.6
Inv. Status: In Stock
Rel. CAS No : 958633-51-7 (Na salt) ; 130091-53-1 (calcium salt)

2-Ethylhexanoic Acid

Picture of 2-Ethylhexanoic Acid
CAT No: SZ-C082014
CAS No: 149-57-5
Mol.F. : C8H16O2
Mol.Wt. : 144.2
Inv. Status: In Stock
Rel. CAS No : 3164-85-0 (K salt) ; 19766-89-3 (Na salt)
SZ-C082014
CAS No:149-57-5
Mol.F.: C8H16O2
Mol.Wt.: 144.2
Inv. Status: In Stock
Rel. CAS No : 3164-85-0 (K salt) ; 19766-89-3 (Na salt)

Cyclohexanepropionic Acid

Picture of Cyclohexanepropionic Acid
CAT No: SZ-C082015
CAS No: 701-97-3
Mol.F. : C9H16O2
Mol.Wt. : 156.2
Inv. Status: In Stock
Rel. CAS No : 85454-69-9 (Na salt) ; 82309-31-7 (K salt) ; 783337-85-9 (HCl salt)
SZ-C082015
CAS No:701-97-3
Mol.F.: C9H16O2
Mol.Wt.: 156.2
Inv. Status: In Stock
Rel. CAS No : 85454-69-9 (Na salt) ; 82309-31-7 (K salt) ; 783337-85-9 (HCl salt)

Ceftriaxone

Picture of Ceftriaxone
CAT No: SZ-C082016
CAS No: 73384-59-5
Mol.F. : C18H18N8O7S3
Mol.Wt. : 554.6
Inv. Status: Custom Synthesis
Rel. CAS No : 104376-79-6
SZ-C082016
CAS No:73384-59-5
Mol.F.: C18H18N8O7S3
Mol.Wt.: 554.6
Inv. Status: Custom Synthesis
Rel. CAS No : 104376-79-6

Ceftriaxone EP Impurity A Sodium Salt

Picture of Ceftriaxone EP Impurity A Sodium Salt
CAT No: SZ-C082017
CAS No: 97164-54-0
Mol.F. : C18H18N8O7S3 : 2Na
Mol.Wt. : 554.6 : 2(23.0)
Inv. Status: Custom Synthesis
Rel. CAS No : 92143-31-2 (free base)
SZ-C082017
CAS No:97164-54-0
Mol.F.: C18H18N8O7S3 : 2Na
Mol.Wt.: 554.6 : 2(23.0)
Inv. Status: Custom Synthesis
Rel. CAS No : 92143-31-2 (free base)

Ceftriaxone EP Impurity C Sodium Salt

Picture of Ceftriaxone EP Impurity C Sodium Salt
CAT No: SZ-C082018
CAS No: 106393-23-1
Mol.F. : C4H5N3O2S : Na
Mol.Wt. : 159.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 58909-39-0 (free base)
SZ-C082018
CAS No:106393-23-1
Mol.F.: C4H5N3O2S : Na
Mol.Wt.: 159.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 58909-39-0 (free base)

Ceftriaxone EP Impurity D Hydrochloride

Picture of Ceftriaxone EP Impurity D Hydrochloride
CAT No: SZ-C082019
CAS No: 1401217-78-4
Mol.F. : C13H10N4O2S3 : HCl
Mol.Wt. : 350.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1401217-78-4 (free base)
SZ-C082019
CAS No:1401217-78-4
Mol.F.: C13H10N4O2S3 : HCl
Mol.Wt.: 350.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1401217-78-4 (free base)

Ceftriaxone EP Impurity E Hydrochloride

Picture of Ceftriaxone EP Impurity E Hydrochloride
CAT No: SZ-C082020
CAS No: 113791-11-0
Mol.F. : C12H13N5O5S2 : HCl
Mol.Wt. : 371.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 58909-56-1 (free base) ; 2227256-62-2 (Na salt)
SZ-C082020
CAS No:113791-11-0
Mol.F.: C12H13N5O5S2 : HCl
Mol.Wt.: 371.4 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 58909-56-1 (free base) ; 2227256-62-2 (Na salt)

Ceftriaxone EP Impurity E Sodium Salt

Picture of Ceftriaxone EP Impurity E Sodium Salt
CAT No: SZ-C082021
CAS No: 2227256-62-2
Mol.F. : C12H13N5O5S2 : Na
Mol.Wt. : 371.4 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 113791-11-0 (HCl salt) ; 58909-56-1 (free base)
SZ-C082021
CAS No:2227256-62-2
Mol.F.: C12H13N5O5S2 : Na
Mol.Wt.: 371.4 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 113791-11-0 (HCl salt) ; 58909-56-1 (free base)

Ceftriaxone Impurity MBT Sodium Salt

Picture of Ceftriaxone Impurity MBT Sodium Salt
CAT No: SZ-C082022
CAS No: 2492-26-4
Mol.F. : C7H5NS2 : Na
Mol.Wt. : 167.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 149-30-4 (free base) ; 7778-70-3 (K salt)
SZ-C082022
CAS No:2492-26-4
Mol.F.: C7H5NS2 : Na
Mol.Wt.: 167.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 149-30-4 (free base) ; 7778-70-3 (K salt)

Ceftriaxone Impurity MBT Potassium Salt

Picture of Ceftriaxone Impurity MBT Potassium Salt
CAT No: SZ-C082023
CAS No: 7778-70-3
Mol.F. : C7H5NS2 : K
Mol.Wt. : 167.2 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 2492-26-4 (Na salt) ; 149-30-4 (free base)
SZ-C082023
CAS No:7778-70-3
Mol.F.: C7H5NS2 : K
Mol.Wt.: 167.2 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 2492-26-4 (Na salt) ; 149-30-4 (free base)

Ceftriaxone 3-Ene Isomer Sodium Salt

Picture of Ceftriaxone 3-Ene Isomer Sodium Salt
CAT No: SZ-C082024
CAS No: 958633-51-7
Mol.F. : C18H17N8O7S3 : Na
Mol.Wt. : 553.6 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 130091-53-1 (calcium salt) ; 73384-59-5 (free base)
SZ-C082024
CAS No:958633-51-7
Mol.F.: C18H17N8O7S3 : Na
Mol.Wt.: 553.6 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 130091-53-1 (calcium salt) ; 73384-59-5 (free base)

Ceftriaxone 3-Ene Isomer Calcium Salt

Picture of Ceftriaxone 3-Ene Isomer Calcium Salt
CAT No: SZ-C082025
CAS No: 130091-53-1
Mol.F. : C18H17N8O7S3 : Ca
Mol.Wt. : 553.6 : 40.1
Inv. Status: Custom Synthesis
Rel. CAS No : 958633-51-7 (Na salt) ; 73384-59-5 (free base)
SZ-C082025
CAS No:130091-53-1
Mol.F.: C18H17N8O7S3 : Ca
Mol.Wt.: 553.6 : 40.1
Inv. Status: Custom Synthesis
Rel. CAS No : 958633-51-7 (Na salt) ; 73384-59-5 (free base)

2-Ethylhexanoic Acid Potassium Salt

Picture of 2-Ethylhexanoic Acid Potassium Salt
CAT No: SZ-C082026
CAS No: 3164-85-0
Mol.F. : C8H15O2 : K
Mol.Wt. : 143.2 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 149-57-5 (free base) ; 19766-89-3 (Na salt)
SZ-C082026
CAS No:3164-85-0
Mol.F.: C8H15O2 : K
Mol.Wt.: 143.2 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 149-57-5 (free base) ; 19766-89-3 (Na salt)

2-Ethylhexanoic Acid Sodium Salt

Picture of 2-Ethylhexanoic Acid Sodium Salt
CAT No: SZ-C082027
CAS No: 19766-89-3
Mol.F. : C8H15O2 : Na
Mol.Wt. : 143.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 3164-85-0 (K salt) ; 149-57-5 (free base)
SZ-C082027
CAS No:19766-89-3
Mol.F.: C8H15O2 : Na
Mol.Wt.: 143.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 3164-85-0 (K salt) ; 149-57-5 (free base)

Cyclohexanepropionic Acid Sodium Salt

Picture of Cyclohexanepropionic Acid Sodium Salt
CAT No: SZ-C082028
CAS No: 85454-69-9
Mol.F. : C9H15O2 : Na
Mol.Wt. : 155.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 701-97-3 (free base) ; 82309-31-7 (K salt) ; 783337-85-9 (HCl salt)
SZ-C082028
CAS No:85454-69-9
Mol.F.: C9H15O2 : Na
Mol.Wt.: 155.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 701-97-3 (free base) ; 82309-31-7 (K salt) ; 783337-85-9 (HCl salt)

Cyclohexanepropionic Acid Potassium Salt

Picture of Cyclohexanepropionic Acid Potassium Salt
CAT No: SZ-C082029
CAS No: 82309-31-7
Mol.F. : C9H15O2 : K
Mol.Wt. : 155.2 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 85454-69-9 (Na salt) ; 701-97-3 (free base) ; 783337-85-9 (HCl salt)
SZ-C082029
CAS No:82309-31-7
Mol.F.: C9H15O2 : K
Mol.Wt.: 155.2 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 85454-69-9 (Na salt) ; 701-97-3 (free base) ; 783337-85-9 (HCl salt)

Cyclohexanepropionic Acid Hydrochloride

Picture of Cyclohexanepropionic Acid Hydrochloride
CAT No: SZ-C082030
CAS No: 783337-85-9
Mol.F. : C9H16O2 : HCl
Mol.Wt. : 156.2 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 85454-69-9 (Na salt) ; 82309-31-7 (K salt) ; 701-97-3 (free base)
SZ-C082030
CAS No:783337-85-9
Mol.F.: C9H16O2 : HCl
Mol.Wt.: 156.2 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 85454-69-9 (Na salt) ; 82309-31-7 (K salt) ; 701-97-3 (free base)

7-Aminocephalosporanic Acid

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CAT No: SZ-C082031
CAS No: 957-68-6
Mol.F. : C10H12N2O5S
Mol.Wt. : 272.3
Inv. Status: Custom Synthesis
Rel. CAS No : 40994-22-7 (Na salt) ; 57399-61-8 (HCl salt)
SZ-C082031
CAS No:957-68-6
Mol.F.: C10H12N2O5S
Mol.Wt.: 272.3
Inv. Status: Custom Synthesis
Rel. CAS No : 40994-22-7 (Na salt) ; 57399-61-8 (HCl salt)

7-Aminocephalosporanic Acid Sodium Salt

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CAT No: SZ-C082032
CAS No: 40994-22-7
Mol.F. : C10H11N2O5S : Na
Mol.Wt. : 271.3 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 957-68-6 (free base) ; 57399-61-8 (HCl salt)
SZ-C082032
CAS No:40994-22-7
Mol.F.: C10H11N2O5S : Na
Mol.Wt.: 271.3 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 957-68-6 (free base) ; 57399-61-8 (HCl salt)

7-Aminocephalosporanic Acid Hydrochloride

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CAT No: SZ-C082033
CAS No: 57399-61-8
Mol.F. : C10H12N2O5S : HCl
Mol.Wt. : 272.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 40994-22-7 (Na salt) ; 957-68-6 (free base)
SZ-C082033
CAS No:57399-61-8
Mol.F.: C10H12N2O5S : HCl
Mol.Wt.: 272.3 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 40994-22-7 (Na salt) ; 957-68-6 (free base)