Description
[Glu1]-Fibrinopeptide B — MS Lock-Mass Standard, 1 mg, ≥99 % — research overview
[Glu1]-Fibrinopeptide B (Glu-Fib) is the most widely cited LC-MS lock-mass and collision-energy tuning peptide. It is the de-facto QC reference for Waters Synapt, Xevo and Thermo Orbitrap workflows.
Peptide Shop supplies [Glu1]-Fibrinopeptide B (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
- LC-MS lock-mass reference (Waters LockSpray)
- Collision-energy / CID tuning reference compound
- Peptide-fragmentation library benchmarking
- Daily LC-MS/MS QC and system-suitability
Sequence and analytical data
≥99% HPLC, [M+2H]2+ = 785.84. Identity confirmed by ESI-MS and tandem-MS fragmentation pattern.
Storage and handling
Store lyophilised at -20 °C. Reconstitute in 50% acetonitrile / 0.1% formic acid at 100 fmol/µL for routine LockSpray use.
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.