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About Peptide Chemical Calculator
This Peptide Chemical Calculator application is a tool to calculate the molecular formulae, accurate mono isotopic and average masses of your peptide.
You can work with a sequence in one- or three-letter amino acid code, choose few popular modifications on N- and C-terminals or add disulfide bridges.
The masses are calculated using the following atomic weights:
H Element Monoisotopic mass - 1.0078250
Average mass - 1.0079400
C Element Monoisotopic mass - 12.0000000
Average mass - 12.0110000
N Element Monoisotopic mass - 14.0030740
Average mass - 14.0067400
O Element Monoisotopic mass - 15.9949146
Average mass - 15.9994000
F Element Monoisotopic mass - 18.9984033
Average mass - 18.9984000
P Element Monoisotopic mass - 30.9737634
Average mass - 30.9737600
S Element Monoisotopic mass - 31.9720718
Average mass - 32.0660000
Cl Element Monoisotopic mass - 34.9688527
Average mass - 35.4527000
Br Element Monoisotopic mass - 78.9183361
Average mass - 79.9040000
You can work with a sequence in one- or three-letter amino acid code, choose few popular modifications on N- and C-terminals or add disulfide bridges.
The masses are calculated using the following atomic weights:
H Element Monoisotopic mass - 1.0078250
Average mass - 1.0079400
C Element Monoisotopic mass - 12.0000000
Average mass - 12.0110000
N Element Monoisotopic mass - 14.0030740
Average mass - 14.0067400
O Element Monoisotopic mass - 15.9949146
Average mass - 15.9994000
F Element Monoisotopic mass - 18.9984033
Average mass - 18.9984000
P Element Monoisotopic mass - 30.9737634
Average mass - 30.9737600
S Element Monoisotopic mass - 31.9720718
Average mass - 32.0660000
Cl Element Monoisotopic mass - 34.9688527
Average mass - 35.4527000
Br Element Monoisotopic mass - 78.9183361
Average mass - 79.9040000
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What's New in the Latest Version 1.0
Last updated on May 27, 2019
Version History
1.0
May 26, 2019
Peptide Chemical Calculator Price
Today:
$0.99
Lowest:
Free
Highest:
$1.99
Peptide Chemical Calculator FAQ
Click here to learn how to download Peptide Chemical Calculator in restricted country or region.
Check the following list to see the minimum requirements of Peptide Chemical Calculator.
iPhone
Peptide Chemical Calculator supports English