Angiotensin I — MS Calibration Standard, 1 mg, ≥99 %

Angiotensin I — MS Calibration Standard, 1 mg, ≥99 % — research overview

Angiotensin I is one of the most widely used peptide mass-calibration standards in LC-MS, MALDI-TOF and ESI-Q-TOF workflows, with a singly-charged [M+H]+ at 1297.5 Da.

Peptide Shop supplies Angiotensin I (1 × 1 mg vial) as a sealed research material with lot-level documentation. This product is supplied for in-vitro laboratory research only and is not intended for human use, veterinary use, therapy, diagnosis, cosmetic application or consumption.

Research applications

• ESI / MALDI mass calibration and mass-accuracy verification
• LC-MS/MS system-suitability testing
• CID / HCD fragmentation reference standard
• Proteomics quantitation reference (heavy-label SIL variant available)

Sequence and analytical data

≥99% HPLC, identity confirmed by ESI-MS. Supplied as the trifluoroacetate salt (acetate available).

Storage and handling

Store lyophilised at -20 °C. Reconstitute in 50% acetonitrile / 0.1% formic acid; aliquot stocks at -80 °C.

Documentation

A lot-specific Certificate of Analysis is available in EN, DE, FR and ES from the product detail page after dispatch. The CoA reports HPLC purity, identity confirmation, appearance, and storage and handling guidance for the dispatched lot.