Semaglutide Impurities & Reference Standards
Invenza supplies high-quality Semaglutide Reference Standards, Semaglutide impurities, pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamine-related products for pharmaceutical research, analytical testing, and quality control applications.
Our Semaglutide impurity reference standards are suitable for a wide range of pharmaceutical and analytical applications, including drug development, analytical method development and validation, quality control (QC), stability studies, impurity profiling, unknown impurity identification, regulatory submissions such as ANDA and DMF, and assessment of potential genotoxic impurities.
Semaglutide-related reference standards are thoroughly characterized and supplied with Certificates of Analysis (COA) and supporting analytical data, subject to product availability and applicable specifications. We can also provide pharmacopeial and traceable reference standards, including EP/USP-related requirements, based on customer specifications
Our Semaglutide impurity standards are manufactured, characterized, and handled to support reliable analytical testing and pharmaceutical research requirements. Products are periodically re-tested, where applicable, to help ensure consistent quality and dependable analytical performance.
 Semaglutide.png)
| CAT No. | IR-A18536 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![[4-31] -Semaglutide](assets/img/products/17865855964-31-semaglutide.png)
| CAT No. | IR-A18537 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C172H270N40O54 |
| Molecular Weight | 3762.3 |
![[D-Ala18]-Semaglutide](assets/img/products/1729143140[D-Ala18]-Semaglutide.png)
| CAT No. | IR-A18538 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![[D-Arg30]-Semaglutide](assets/img/products/1729143261[D-Arg30]-Semaglutide.png)
| CAT No. | IR-A18539 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![[D-Glu21]-Semaglutide](assets/img/products/1729143510[D-Glu21]-Semaglutide.png)
| CAT No. | IR-A18541 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![[D-Glu3]-Semaglutide](assets/img/products/1729143634[D-Glu3]-Semaglutide.png)
| CAT No. | IR-A18542 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![[D-Thr5]-Semaglutide](assets/img/products/1729143751[D-Thr5]-Semaglutide.png)
| CAT No. | IR-A18543 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![[D-Thr7]-Semaglutide](assets/img/products/1729143860[D-Thr7]-Semaglutide.png)
| CAT No. | IR-A18544 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![[Des-His1]-Semaglutide](assets/img/products/1729143386[Des-His1]-Semaglutide.png)
| CAT No. | IR-A18540 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C181H284N42O58 |
| Molecular Weight | 3976.5 |
![[Endo-Ala18]-Semaglutide](assets/img/products/1729143981[Endo-Ala18]-Semaglutide.png)
| CAT No. | IR-A18545 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C190H296N46O60 |
| Molecular Weight | 4184.7 |
![[Glu]-17-Semaglutide](assets/img/products/1729144093[Glu]-17-Semaglutide.png)
| CAT No. | IR-A18546 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H290N44O60 |
| Molecular Weight | 4114.6 |
![[Trp25(tBu)]-Semaglutide](assets/img/products/1743052171[Trp25(tBu)]-Semaglutide.png)
| CAT No. | IR-A18547 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C191H299N45O59 |
| Molecular Weight | 4169.7 |
| CAT No. | IR-A18548 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H289N45O60 |
| Molecular Weight | 4127.6 |
| CAT No. | IR-A18549 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H289N45O60 |
| Molecular Weight | 4127.6 |
| CAT No. | IR-A18550 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C189H293N45O60 |
| Molecular Weight | 4155.7 |
![D-[Asp]-9-Semaglutide](assets/img/products/1729144572D-[Asp]-9-Semaglutide.png)
| CAT No. | IR-A18551 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![D-[Glu]17-Semaglutide](assets/img/products/1752649832D-[Glu]17-Semaglutide.png)
| CAT No. | IR-A18552 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H290N44O60 |
| Molecular Weight | 4114.6 |
![D-[His]-1-Semaglutide](assets/img/products/1724837253D-[His]-1-Semaglutide.png)
| CAT No. | IR-A18553 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![D-[Phe]-6-Semaglutide](assets/img/products/1729144711D-[Phe]-6-Semaglutide.png)
| CAT No. | IR-A18554 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![D-[Ser]-11-Semaglutide](assets/img/products/1729144836D-[Ser]-11-Semaglutide.png)
| CAT No. | IR-A18555 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![D-[Ser]-8-Semaglutide](assets/img/products/1729144992D-[Ser]-8-Semaglutide.png)
| CAT No. | IR-A18556 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
![D-[Val]-10-Semaglutide](assets/img/products/1729145115D-[Val]-10-Semaglutide.png)
| CAT No. | IR-A18557 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18558 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18559 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18575 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18574 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18576 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18577 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18578 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18560 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C138H220N32O40 |
| Molecular Weight | 2967.5 |
| CAT No. | IR-A18561 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C135H215N31O38 |
| Molecular Weight | 2880.4 |
| CAT No. | IR-A18562 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C157H251N37O50 |
| Molecular Weight | 3456.9 |
| CAT No. | IR-A18564 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C181H281N43O56 |
| Molecular Weight | 3955.5 |
| CAT No. | IR-A18565 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C181H284N42O58 |
| Molecular Weight | 3976.5 |
| CAT No. | IR-A18563 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C183H284N44O58 |
| Molecular Weight | 4028.5 |
![Des-[Gly]-31-Semaglutide](assets/img/products/1724836905Des-[Gly]-31-Semaglutide.png)
| CAT No. | IR-A18566 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C185H288N44O58 |
| Molecular Weight | 4056.6 |
![Des-[Oct-γ-Glu-AEEA-AEEA]-Semaglutide](assets/img/products/1743052785Des-[Oct-y-Glu-AEEA-AEEA]-Semaglutide.png)
| CAT No. | IR-A18567 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C152H230N42O47 |
| Molecular Weight | 3397.8 |
| CAT No. | IR-A18568 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C182H284N44O56 |
| Molecular Weight | 3984.5 |
| CAT No. | IR-A18569 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C185H288N44O58 |
| Molecular Weight | 4056.6 |
| CAT No. | IR-A18570 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C185H288N44O58 |
| Molecular Weight | 4056.6 |
| CAT No. | IR-A18571 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C183H284N44O57 |
| Molecular Weight | 4012.5 |
| CAT No. | IR-A18572 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C183H284N44O57 |
| Molecular Weight | 4012.5 |
| CAT No. | IR-A18573 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C178H282N44O57 |
| Molecular Weight | 3950.5 |
| CAT No. | IR-A18579 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C193H302N46O62 |
| Molecular Weight | 4258.8 |
| CAT No. | IR-A18580 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C191H298N46O60 |
| Molecular Weight | 4198.7 |
| CAT No. | IR-A18581 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C190H296N46O60 |
| Molecular Weight | 4184.7 |
| CAT No. | IR-A18582 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C190H296N46O60 |
| Molecular Weight | 4184.7 |
| CAT No. | IR-A18583 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C192H298N46O62 |
| Molecular Weight | 4242.8 |
| CAT No. | IR-A18584 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C192H299N47O61 |
| Molecular Weight | 4241.8 |
| CAT No. | IR-A18585 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C192H298N46O62 |
| Molecular Weight | 4242.8 |
| CAT No. | IR-A18586 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C189H294N46O60 |
| Molecular Weight | 4170.7 |
| CAT No. | IR-A18587 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C193H302N46O60 |
| Molecular Weight | 4226.8 |
| CAT No. | IR-A18588 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C193H302N46O60 |
| Molecular Weight | 4226.8 |
| CAT No. | IR-A18589 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C191H298N46O61 |
| Molecular Weight | 4214.7 |
| CAT No. | IR-A18590 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C196H300N46O61 |
| Molecular Weight | 4276.8 |
| CAT No. | IR-A18591 |
|---|---|
| CAS No. | 884880-37-9 |
| Molecular Formula | C18H17NO4 : H2O |
| Molecular Weight | 311.3 : 18.0 |
-OH.svg)
| CAT No. | IR-A18592 |
|---|---|
| CAS No. | 200623-62-7 |
| Molecular Formula | C39H34N2O5 |
| Molecular Weight | 610.7 |
-OH.png)
| CAT No. | IR-A18593 |
|---|---|
| CAS No. | 104091-08-9 |
| Molecular Formula | C24H27NO6 |
| Molecular Weight | 425.5 |
| CAT No. | IR-A18594 |
|---|---|
| CAS No. | 143688-83-9 |
| Molecular Formula | C21H23NO4 |
| Molecular Weight | 353.4 |
| CAT No. | IR-A18595 |
|---|---|
| CAS No. | 86123-10-6 |
| Molecular Formula | C24H21NO4 |
| Molecular Weight | 387.4 |
-OH.svg)
| CAT No. | IR-A18596 |
|---|---|
| CAS No. | 163619-04-3 |
| Molecular Formula | C31H30N2O6 |
| Molecular Weight | 526.6 |
| CAT No. | IR-A18597 |
|---|---|
| CAS No. | 84624-17-9 |
| Molecular Formula | C20H21NO4 |
| Molecular Weight | 339.4 |
![Fragment-[3-31]-Semaglutide](assets/img/products/1729156468Fragment-[3-31]-Semaglutide.png)
| CAT No. | IR-A18598 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C177H277N41O57 |
| Molecular Weight | 3891.4 |
![Fragment-[5-31]-Semaglutide](assets/img/products/1729156821Fragment-[5-31]-Semaglutide.png)
| CAT No. | IR-A18599 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C170H267N39O53 |
| Molecular Weight | 3705.2 |
![Fragment-[9-31]-Semaglutide](assets/img/products/1729157020Fragment-[9-31]-Semaglutide.png)
| CAT No. | IR-A18600 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C150H239N35O46 |
| Molecular Weight | 3268.8 |
| CAT No. | IR-A18604 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C188H291N45O59 |
| Molecular Weight | 4125.7 |
| CAT No. | IR-A18602 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C188H291N45O59 |
| Molecular Weight | 4125.7 |
| CAT No. | IR-A18603 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C188H293N45O59 |
| Molecular Weight | 4127.7 |
![Iso [ASP-9]-Semaglutide](assets/img/products/1729157550Iso [ASP-9]-Semaglutide.png)
| CAT No. | IR-A18605 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18606 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C186H291N45O60 |
| Molecular Weight | 4117.6 |
| CAT No. | IR-A18601 |
|---|---|
| CAS No. | 910463-68-2 |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18607 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C189H293N45O59 |
| Molecular Weight | 4139.7 |
| CAT No. | IR-A18610 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H293N45O58 |
| Molecular Weight | 4099.7 |
| CAT No. | IR-A18608 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H283D8N45O59 |
| Molecular Weight | 4121.7 |
| CAT No. | IR-A18609 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C189H294N46O60 |
| Molecular Weight | 4170.7 |
| CAT No. | IR-A18611 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C188H292N46O60 |
| Molecular Weight | 4156.7 |
| CAT No. | IR-A18612 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C189H292N46O59 |
| Molecular Weight | 4152.7 |
| CAT No. | IR-A18613 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C186H288N46O58 |
| Molecular Weight | 4096.6 |
| CAT No. | IR-A18614 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C185H286N46O58 |
| Molecular Weight | 4082.6 |
| CAT No. | IR-A18615 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C49H46N2O5Si |
| Molecular Weight | 771 |
.png)
| CAT No. | IR-A18616 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C126H206N30O36 |
| Molecular Weight | 2717.2 |
.png)
| CAT No. | IR-A18617 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C29H51N5O14 |
| Molecular Weight | 693.7 |
.png)
| CAT No. | IR-A18618 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C27H47N5O14 |
| Molecular Weight | 665.7 |
| CAT No. | IR-A18619 |
|---|---|
| CAS No. | 1671100-14-3 |
| Molecular Formula | C37H68N2O10 |
| Molecular Weight | 701 |
| CAT No. | IR-A18620 |
|---|---|
| CAS No. | 843666-34-2 |
| Molecular Formula | C26H45NO6 |
| Molecular Weight | 467.6 |
| CAT No. | IR-A18621 |
|---|---|
| CAS No. | 1188328-22-4 |
| Molecular Formula | C35H60N2O9 |
| Molecular Weight | 652.9 |
| CAT No. | IR-A18622 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C190H295N47O61 |
| Molecular Weight | 4213.7 |
| CAT No. | IR-A18623 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C37H68N2O10 |
| Molecular Weight | 701 |
| CAT No. | IR-A18624 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C43H79N3O13 |
| Molecular Weight | 846.1 |
| CAT No. | IR-A18625 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C43H80N4O12 |
| Molecular Weight | 845.1 |
| CAT No. | IR-A18626 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C49H90N4O16 |
| Molecular Weight | 991.3 |
| CAT No. | IR-A18627 |
|---|---|
| CAS No. | 23406-82-8 |
| Molecular Formula | C11H20N2O5 |
| Molecular Weight | 260.3 |
| CAT No. | IR-A18628 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C23H33N3O8 |
| Molecular Weight | 479.5 |
| CAT No. | IR-A18629 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C15H27N3O6 |
| Molecular Weight | 345.4 |
| CAT No. | IR-A18630 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C46H58N6O9 |
| Molecular Weight | 839 |
| CAT No. | IR-A18631 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C41H48N6O9 |
| Molecular Weight | 768.9 |
| CAT No. | IR-A18632 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C26H42N6O9 |
| Molecular Weight | 582.7 |
| CAT No. | IR-A18633 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C190H295N47O61 |
| Molecular Weight | 4213.7 |
| CAT No. | IR-A18634 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C45H56N6O9 |
| Molecular Weight | 825 |
| CAT No. | IR-A18635 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C49H63N7O10 |
| Molecular Weight | 910.1 |
| CAT No. | IR-A18636 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C34H38N4O5 |
| Molecular Weight | 582.7 |
| CAT No. | IR-A18637 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H291N45O59 |
| Molecular Weight | 4113.6 |
| CAT No. | IR-A18638 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C194H297N45O60 |
| Molecular Weight | 4219.8 |
| CAT No. | IR-A18639 |
|---|---|
| CAS No. | NA |
| Molecular Formula | C187H276D15N45O59 |
| Molecular Weight | 4128.7 |