Tetrapeptide · sample record
TX-17
A fictional reference tetrapeptide used to demonstrate how a fully populated compound record looks on TrustAmino. Listed for laboratory research reference only.
- Vendors
- 6 listing this compound
- Lab reports
- 10 5 lab-confirmed
- Median purity
- 98.7% HPLC, across reports
- Latest report
- 2026-10-29 Meridian Reference
Compound facts
- Formula
- C₂₂H₃₄N₆O₇
- Molecular weight
- 494.5 g/mol
- Class
- Tetrapeptide · 4 residues
- Also listed as
- TX17, Tetra-A
- Sequence
- Ala–Gly–Pro–Lys
- Sizes listed
- 5 mg · 10 mg · 20 mg
- Laboratories
- Calder Analytical, Westmere Testing, Fennick Labs
Listings and reports
| Vendor | Size | Pack | Listed price | $/mg | Ships from | Assay Standing | Latest report |
|---|---|---|---|---|---|---|---|
| Meridian Reference | 5 mg | 5-vial kit | $16 | $0.62 | US | 92Hallmarked Assay Standing | TA-S-02611 Lab-confirmed 2026-10-29 |
| Meridian Reference | 10 mg | Single vial | $7 | $0.65 | US | 92Hallmarked Assay Standing | TA-S-02611 Lab-confirmed 2026-10-29 |
| Meridian Reference | 20 mg | 5-vial kit | $68 | $0.68 | US | 92Hallmarked Assay Standing | TA-S-02611 Lab-confirmed 2026-10-29 |
| Oakline Analytical Supply | 5 mg | 5-vial kit | $18 | $0.71 | US | 87Hallmarked Assay Standing | TA-S-02618 Lab-confirmed 2026-10-21 |
| Oakline Analytical Supply | 10 mg | Single vial | $7 | $0.74 | US | 87Hallmarked Assay Standing | TA-S-02618 Lab-confirmed 2026-10-21 |
| Oakline Analytical Supply | 20 mg | 5-vial kit | $77 | $0.77 | US | 87Hallmarked Assay Standing | TA-S-02618 Lab-confirmed 2026-10-21 |
| Northfold Labs | 5 mg | 5-vial kit | $20 | $0.79 | CA | 81Steady Assay Standing | TA-S-02625 On file 2026-10-12 |
| Northfold Labs | 10 mg | Single vial | $8 | $0.82 | CA | 81Steady Assay Standing | TA-S-02625 On file 2026-10-12 |
| Northfold Labs | 20 mg | 5-vial kit | $86 | $0.86 | CA | 81Steady Assay Standing | TA-S-02625 On file 2026-10-12 |
| Cobalt Street Research | 5 mg | 5-vial kit | $22 | $0.88 | UK | 74Steady Assay Standing | TA-S-02632 On file 2026-09-30 |
| Cobalt Street Research | 10 mg | Single vial | $9 | $0.91 | UK | 74Steady Assay Standing | TA-S-02632 On file 2026-09-30 |
| Cobalt Street Research | 20 mg | 5-vial kit | $94 | $0.94 | UK | 74Steady Assay Standing | TA-S-02632 On file 2026-09-30 |
| Halden & Co. | 5 mg | 5-vial kit | $24 | $0.97 | EU | 63Watch Assay Standing | TA-S-02639 Unconfirmed 2026-08-14 |
| Halden & Co. | 10 mg | Single vial | $10 | $1.00 | EU | 63Watch Assay Standing | TA-S-02639 Unconfirmed 2026-08-14 |
| Halden & Co. | 20 mg | 5-vial kit | $103 | $1.03 | EU | 63Watch Assay Standing | TA-S-02639 Unconfirmed 2026-08-14 |
| Vantage Works | 5 mg | 5-vial kit | $26 | $1.05 | US | 41Unproven Assay Standing | TA-S-02702 Unconfirmed 2026-09-11 |
| Vantage Works | 10 mg | Single vial | $11 | $1.09 | US | 41Unproven Assay Standing | TA-S-02702 Unconfirmed 2026-09-11 |
| Vantage Works | 20 mg | 5-vial kit | $112 | $1.12 | US | 41Unproven Assay Standing | TA-S-02702 Unconfirmed 2026-09-11 |
| Report | Vendor | Lot · result | Laboratory | Hallmark Check | Source | Date |
|---|---|---|---|---|---|---|
| TA-S-02611 | Meridian Reference | Lot L36G-26 99.4% HPLC · ID Match | Calder Analytical (sample) | Lab-confirmed | Vendor-published | 2026-10-29 |
| TA-S-02618 | Oakline Analytical Supply | Lot L37H-27 99% HPLC · ID Match | Westmere Testing (sample) | Lab-confirmed | Vendor-published | 2026-10-21 |
| TA-S-02625 | Northfold Labs | Lot L38I-28 98.7% HPLC · ID Match | Fennick Labs (sample) | On file | Community-filed | 2026-10-12 |
| TA-S-02632 | Cobalt Street Research | Lot L39J-26 97.9% HPLC · ID Match | Calder Analytical (sample) | On file | Vendor-published | 2026-09-30 |
| TA-S-02702 | Vantage Works | Lot L3JT-27 95.1% HPLC · ID Pending | Calder Analytical (sample) | Unconfirmed | Vendor-published | 2026-09-11 |
| TA-S-02639 | Halden & Co. | Lot L3AK-27 96.2% HPLC · ID Match | Westmere Testing (sample) | Unconfirmed | Vendor-published | 2026-08-14 |
| TA-S-02681 | Meridian Reference | Lot L3GQ-27 99.2% HPLC · ID Match | Fennick Labs (sample) | Lab-confirmed | Vendor-published | 2026-07-19 |
| TA-S-02646 | Vantage Works | Lot L3BL-28 No purity · ID Mismatch | Fennick Labs (sample) | Failed | Community-filed | 2026-07-02 |
| TA-S-02688 | Oakline Analytical Supply | Lot L3HR-28 98.8% HPLC · ID Match | Calder Analytical (sample) | Lab-confirmed | Vendor-published | 2026-06-08 |
| TA-S-02695 | Northfold Labs | Lot L3IS-26 98.4% HPLC · ID Match | Westmere Testing (sample) | Lab-confirmed | Vendor-published | 2026-05-27 |
Prices are fictional sample figures as listed by vendors. TrustAmino takes no orders. A confirmed report shows a lot was tested, not that a given container came from it. Research use only.