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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Semaglutide, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Semaglutide impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Semaglutide-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Semaglutide Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Semaglutide-d15 Stable Isotopes CS-P-08885 ---- Enquire
Semaglutide-d5 Stable Isotopes CS-O-39217 ---- Enquire
Semaglutide-d8 Stable Isotopes CS-O-43333 ---- Enquire
Semaglutide-d8 Tetratrifluoroacetate Stable Isotopes CS-O-43363 910463-68-2 (non-labelled free base) In Stock


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Semaglutide API CS-AX-04664 910463-68-2 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Acetylated Semaglutide (Ac-His-Semaglutide) Impurity CS-O-59611 ---- Enquire
C18-Oxo(OtBu)-γ-Glu(α-OtBu)-AEEA-AEEA-AEEA-OH (R-isomer) Impurity CS-O-59644 ---- Enquire
C18-Oxo(OtBu)-γ-Glu(α-OtBu)-AEEA-AEEA-NH2 (R-isomer) Impurity CS-O-59642 ---- Enquire
C18-Oxo(OtBu)-γ-Glu(α-OtBu)-AEEA-AEEA-OH (R-isomer) Impurity CS-O-59643 ---- Enquire
C18-Oxo(OtBu)-γ-Glu(α-OtBu)-AEEA-AEEA-OH (S-isomer) Impurity CS-O-42565 1118767-16-0 Enquire
des-(7-13) Semaglutide Impurity CS-O-52635 Not Available In Stock
Semaglutide Dimer Impurity Impurity CS-O-60304 ---- Enquire
Semaglutide Impurity 101 Impurity CS-O-59893 71997-93-8 Enquire
Semaglutide Impurity 102 Impurity CS-O-59894 1188328-39-3 Enquire
Semaglutide Impurity 6 (R-isomer) Impurity CS-O-59641 ---- Enquire
t-butyl-octadecanedioate-NHS ester Impurity CS-O-59638 843666-34-2 Enquire
Des His-7 Semaglutide Impurity CS-EO-04017 ---- Enquire
Semaglutide Impurity 2-oxo-His Impurity CS-O-53866 ---- Enquire


Peptide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
[a-Glu]Side chain transposition)-Semaglutide Peptide CS-O-46894 ---- Enquire
[D-Arg]30 Semaglutide Peptide CS-O-48510 Not Available Enquire
[D-Glu21]-Semaglutide Peptide CS-O-59616 ---- Enquire
[D-Thr5]-Semaglutide Peptide CS-O-59617 ---- Enquire
[Glu]17-Semaglutide Peptide CS-O-46893 ---- Enquire
[Trp²⁵(tBu)]-Semaglutide Impurity Peptide CS-O-48843 ---- Enquire
2-Oxo-His,D-Asp-9 Semaglutide Peptide CS-O-59618 ---- Enquire
Acetaldehyde adduct of Semaglutide Peptide CS-O-57030 ---- Enquire
D-[Asp]9-Semaglutide Peptide CS-O-46886 ---- Enquire
D-[His]1-Semaglutide Peptide CS-O-46889 ---- Enquire
D-[Ser]¹¹-Semaglutide Peptide CS-O-46884 Not Available Enquire
D-[Ser]12-Semaglutide Peptide CS-O-59627 ---- Enquire
D-[Ser]8-Semaglutide Peptide CS-O-46887 ---- Enquire
D-[Val]10-Semaglutide Peptide CS-O-46885 Not Available Enquire
D-Ala-24-Semaglutide Peptide CS-O-59623 ---- Enquire
D-Allo-Thr(5)-Semaglutide Peptide CS-O-59681 ---- Enquire
D-Beta-Asp9 Semaglutide Peptide CS-O-51854 ---- Enquire
Des[3-6]-Semaglutide Peptide CS-O-59689 ---- Enquire
Des-[3-7]-Semaglutide Peptide CS-O-59704 ---- Enquire
Des[3-8]-Semaglutide Peptide CS-O-59692 ---- Enquire
Des‑[Ser8]-Semaglutide Peptide CS-O-59622 ---- Enquire
Des-Glu21 Semaglutide Peptide CS-O-59646 ---- Enquire
Des-Ile²³-Semaglutide Peptide CS-O-59706 ---- Enquire
D-His(7)-Semaglutide Peptide CS-O-45101 ---- In Stock
D-Phe-22-Semaglutide Peptide CS-O-59626 ---- Enquire
Endo-Aib²-Semaglutide Peptide CS-O-59628 ---- Enquire
Endo-Ala19-Semaglutide Peptide CS-O-59619 ---- Enquire
Endo-lle23-Semaglutide Peptide CS-EO-04048 ---- Enquire
Endo-Thr⁵-Semaglutide Peptide CS-O-59629 ---- Enquire
Endo-Tyr¹³-Semaglutide Peptide CS-O-59630 ---- Enquire
Fragment-[12-31]-Semaglutide Peptide CS-O-51960 ---- Enquire
Fragment-[1-29]-Semaglutide Peptide CS-O-59663 ---- Enquire
Fragment-[13-31]-Semaglutide Peptide CS-O-51961 ---- Enquire
Fragment-[14-31]-Semaglutide Peptide CS-O-59637 ---- Enquire
Fragment-[3-31]-Semaglutide Peptide CS-O-46892 ---- Enquire
Fragment-[3-31]-Semaglutide linear Peptide CS-O-59664 ---- Enquire
Fragment-[4-31]-Semaglutide Peptide CS-O-59612 ---- Enquire
Fragment-[5-31]-Semaglutide Peptide CS-O-59631 ---- Enquire
Fragment-[7-31]-Semaglutide Peptide CS-O-51959 ---- Enquire
Fragment-[8-31]-Semaglutide Peptide CS-O-59665 ---- Enquire
Fragment-[9-31]-Semaglutide Peptide CS-O-51962 ---- Enquire
His1-Semaglutide immine Impurity Peptide CS-O-51963 ---- Enquire
His1-Semaglutide N-Methyl Impurity Peptide CS-O-51964 ---- Enquire
His-Cyclic-Semaglutide Peptide CS-O-54538 ---- Enquire
Kyn-25-Semaglutide Peptide CS-O-48509 ---- Enquire
Me-His-Semaglutide Peptide CS-O-59703 ---- Enquire
PyroGlu-(17)-Semaglutide Peptide CS-O-59695 ---- Enquire
Semaglutide 9-Des-ASP-9-Aminomalonic acid impurity Peptide CS-O-59636 ---- Enquire
Semaglutide Acetaldehyde Schiff-base Impurity Peptide CS-O-59633 ---- Enquire
Semaglutide Alpha-Glu Impurity Peptide CS-O-59699 ---- Enquire
Semaglutide Aspartimide impurity Peptide CS-O-56010 ---- Enquire
Semaglutide Back bone impurity Peptide CS-O-56002 ---- Enquire
Semaglutide Des Gly-10 Impurity Peptide CS-O-45105 ---- In Stock
Semaglutide Des Gly‐4 Impurity Peptide CS-O-45104 ---- In Stock
Semaglutide Des His‐1 Impurity Peptide CS-O-45103 ---- In Stock
Semaglutide Des Thr‐5 Impurity Peptide CS-O-45102 ---- In Stock
Semaglutide Des Thr‐7 Impurity Peptide CS-P-09105 ---- Enquire
Semaglutide Endo Gly‐4 Impurity Peptide CS-O-45107 ---- In Stock
Semaglutide Impurity 1 (Trp25-hydroxybenzyl)-Semaglutide) Peptide CS-P-09104 ---- Enquire
Semaglutide Impurity 12 Peptide CS-P-09115 Not Available Enquire
Semaglutide Impurity 13 Peptide CS-P-09116 Not Available Enquire
Semaglutide Impurity 15 Peptide CS-P-09118 Not Available Enquire
Semaglutide Impurity 16 Peptide CS-P-09119 23406-82-8 Enquire
Semaglutide Impurity 17 Peptide CS-P-09120 Not Available Enquire
Semaglutide Impurity 18 Peptide CS-P-09121 Not Available Enquire
Semaglutide Impurity 3 (P3 Semaglutide) Peptide CS-P-09106 ---- Enquire
Semaglutide Impurity 4 (U7 Semaglutide) Peptide CS-P-09107 ---- Enquire
Semaglutide Impurity 5 (U6 Semaglutide) Peptide CS-P-09108 ---- Enquire
Semaglutide Impurity 6 (S-isomer) Peptide CS-P-09109 1671100-14-3 Enquire
Semaglutide impurity Gly 31 Peptide CS-O-55744 ---- Enquire
Semaglutide Impurity Gly16 Peptide CS-O-53604 ---- Enquire
Semaglutide impurity N-formylkynurenine Peptide CS-SN-00182 Not Available Enquire
Semaglutide Iso Asp Impurity Peptide CS-O-45106 ---- In Stock
Semaglutide Mono PEG Impurity Peptide CS-O-55748 ---- Enquire
Semaglutide N-Formyl ringopened Trp Peptide CS-O-48507 Not Available Enquire
Semaglutide Trp(O) Impurty Peptide CS-O-48508 ---- Enquire
Semaglutide-8-O-Acetyl serine Peptide CS-O-58244 ---- Enquire
Trp(5-OH)-Semaglutide Peptide CS-O-59698 ---- Enquire
γ-Glu(15)-Semaglutide Peptide CS-O-59700 ---- Enquire
γ-Glu(3)-Semaglutide Peptide CS-O-59701 ---- Enquire
(9-D-Asp)Semaglutide Peptide CS-O-51665 Not Available Enquire
[D-Ala18]-Semaglutide Peptide CS-EO-04047 ---- Enquire
[D-Ala19]-Semaglutide Peptide CS-EO-04042 ---- Enquire
[D-Glu3]-Semaglutide Peptide CS-EO-04041 ---- Enquire
[D-Thr7]-Semaglutide Peptide CS-EO-04062 ---- Enquire
Des-Aib2-Semaglutide Peptide CS-EO-04040 ---- Enquire
Des-Gly29-Semaglutide Peptide CS-EO-04044 ---- Enquire
Des-Gly4-Thr5-Semaglutide Peptide CS-O-51856 ---- Enquire
Des-Tyr13-Semaglutide Peptide CS-EO-04046 ---- Enquire
D-iso-Asp-semaglutide Peptide CS-O-51663 Not Available Enquire
Endo-16-Gly semaglutide Peptide CS-O-50101 ---- Enquire
Endo-29-Gly semaglutide Peptide CS-O-50102 Not Available Enquire
Endo-31-Gly semaglutide Peptide CS-O-50103 Not Available Enquire
Endo-4-Gly semaglutide Peptide CS-O-50100 Not Available Enquire
Endo-Gamma-Glu-Semaglutide Peptide CS-O-51855 Not Available Enquire
Endo-Gln17-Semaglutide Peptide CS-EO-04043 ---- Enquire
Endo-Leu26-Semaglutide Peptide CS-EO-04045 ---- Enquire
L-isoAsp Semaglutide Peptide CS-O-51823 Not Available Enquire
Plus-Gly4-Semaglutide Peptide CS-O-53603 ---- Enquire
Semaglutide Impurity 10 Peptide CS-P-09113 Not Available Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-N-Fmoc-valine Building Blocks CS-M-57509 84624-17-9 In Stock
Boc-D-His(Trt)-Aib-OH Building Blocks CS-O-59645 ---- Enquire
FMOC-D-ALA-OH H2O Building Blocks CS-ED-42342 884880-37-9 Enquire