Unit Converter
Cysteine (Cys)

SI UNITS (recommended)

CONVENTIONAL UNITS

Synonym

2-Amino-3-sulfhydrylpropanoic acid

Units of measurement

µmol/L, mg/L, mg/dL, mg/100mL, mg%, µg/mL

Cysteine is classified as a nonessential amino acid, but cysteine may be essential for infants, the elderly, and individuals with certain metabolic diseases or malabsorption syndromes. Cysteine is an important structural and functional component of many proteins and enzymes. Cysteine is named after cystine, its oxidized dimer. Cysteine is potentially toxic and is catabolized in the gastrointestinal tract and blood. In opposition, cysteine is absorbed during digestion as cystine, which is more stable in the gastrointestinal tract. It is cystine that travels to cells, where it is reduced to two cysteine molecules upon cell entry. Cysteine is used as a constituent in the food, pharmaceutical, and personal care industries. One of its largest applications is in the production of flavors.

Units description

Micromole per literµmol/L = mcmol/L = umol/L = µM/L = mcM/L = uM/L = micromol/L
Milligram per litermg/L = millig/L = milligram/L = mg/liter
Milligram per decilitermg/dL = millig/dL = milligram/dL
Milligram per 100 millilitersmg/100mL = millig/100mL = milligram/100mL
Milligram percentmg% = millig% = milligram%
Microgram per milliliterµg/mL = mcg/mL = ug/mL= microg/mL = microgram/mL

Lab units Conversion Calculator. Convert Cysteine (Cys) level to µmol/L, mg/L, mg/dL, mg/100mL, mg%, µg/mL . Clinical laboratory units online conversion from conventional or traditional units to Si units. Table of conversion factors for Cysteine (Cys) unit conversion to µmol/L, mg/L, mg/dL, mg/100mL, mg%, µg/mL .

Last updated: February 16, 2025

Created by: Dr. Rajesh Moganti

Reviewed by : Medical Review Board

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