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L16698 Ultramark® 1621, Mass Spec Std

CAS Number

Stock No. Size Price ($) Quantity Availability
L16698-MD 250mg 38.80
L16698-03 1g 102.00
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Ultramark® 1621, Mass Spec Std


Chemical Properties

Formula Weight
Refractive Index
Storage & Sensitivity
Ambient temperatures.
Miscible with water.


Ultramark 1621 is used as a reference compound for positive and negative ion fast-atom bombardment high-resolution mass spectrometry.


Incompatible with strong oxidizing agents.

Literature References

Fluorinated phosphazine for mass spectrometry showing peaks up to 2120 mass units.

Seró, R.; Núñez, O.; Bosch, J.; Grases, J. M.; Rodríguez, P.; Moyano, E.; Galceran, M. T. Desorption electrospray ionization-high resolution mass spectrometry for the screening of veterinary drugs in cross-contaminated feedstuffs. Anal. Bioanal. Chem. 2015, 407 (24), 7369-7378.

Gómez-Pérez, M. L.; Romero-González, R.; Martínez, V. J. L.; Frenich, A. G. Analysis of pesticide and veterinary drug residues in baby food by liquid chromatography coupled to Orbitrap high resolution mass spectrometry. Talanta 2015, 131, 1-7.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


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