This database is the product of an ongoing comprehensive evaluation and expansion of the world's most widely used mass spectral reference library.
NIST SRD 1A is available ONLY from distributors.
Contents of the NIST23 Mass Spectral and Retention Index Libraries | ||
---|---|---|
NIST/EPA/NIH (EI) Mass Spectral Library | ||
Tandem (MS/MS) Mass Spectral Library | ||
GC Method/Retention Index (RI) Library | ||
Library Description | Library File Name | Library Contents |
Main EI MS Library | mainlib | 394,054 Spectra for 347,100 chemical compounds |
Replicate EI MS Library | replib | 46,954 replicate spectra |
HRAM MS/MS Library - small molecules | hr_msms_nist | 1,934,658 spectra of 210,195 precursor ions from 49,590 chemical compounds |
Low Resolution MS/MS Library - small molecules | lr_msms_nist | 433,692 spectra of 330,358 precursor ions from 49,865 chemical compounds |
APCI High Resolution MS/MS Library - small molecules | apci_msms_nist | 5,714 spectra of 1,121 precursor ions from 561 extractable and leachable compounds |
Total: 2,374,064 spectra of 399,267 precursor ions from 51,501 chemical compounds | ||
Retention Index Library | nist_ri | 491,790 RI values for 180,610 compounds; 153,472 compounds in the Main Library have retention index data. |
Evaluation and Quality Control
For more information, please visit:
https://chemdata.nist.gov/
NIST23: Updates to the NIST Tandem and Electron Ionization Spectral Libraries
Electron Ionization Library Component of the NIST/EPA/NIH Mass Spectral Library and NIST GC Retention Index Database
Tandem Mass Spectral Library
The scientific contact for the database is:
Stephen E. Stein
Mass Spectrometry Data Center
National Institute of Standards and Technology
Gaithersburg, MD 20899-8362
(301) 975-2505
massspec [at] nist.gov (massspec[at]nist[dot]gov)
Keywords: analysis; chemical analysis; chemical databases; chemical structure; chemistry; mass spectra; mass spectrometry.