CIT

CITRIC ACID

Created:	1999-07-08
Last modified:	2024-09-27

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1,537 entries where CIT is found as a standalone ligand11 entries where CIT is covalently linked to polymer or other heterogen groups

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Chemical Details
Formal Charge	0
Atom Count	21
Chiral Atom Count	0
Bond Count	20
Aromatic Bond Count	0

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Chemical Component Summary
Name	CITRIC ACID
Systematic Name (OpenEye OEToolkits)	2-hydroxypropane-1,2,3-tricarboxylic acid
Formula	C₆ H₈ O₇
Molecular Weight	192.124
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	10.04	O=C(O)CC(O)(C(=O)O)CC(=O)O
SMILES	CACTVS	3.341	OC(=O)CC(O)(CC(O)=O)C(O)=O
SMILES	OpenEye OEToolkits	1.5.0	C(C(=O)O)C(CC(=O)O)(C(=O)O)O
Canonical SMILES	CACTVS	3.341	OC(=O)CC(O)(CC(O)=O)C(O)=O
Canonical SMILES	OpenEye OEToolkits	1.5.0	C(C(=O)O)C(CC(=O)O)(C(=O)O)O
InChI	InChI	1.03	InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
InChIKey	InChI	1.03	KRKNYBCHXYNGOX-UHFFFAOYSA-N

Drug Info: DrugBank

DrugBank data are sourced from datasets licensed under a Creative Common's Attribution-NonCommercial 4.0 International License

DrugBank ID	DB04272
Name	Citric acid
Groups	vet_approved nutraceutical approved
Description	A key intermediate in metabolism. It is an acid compound found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium-chelating ability. Citric acid is one of the active ingredients in Phexxi, a non-hormonal contraceptive agent that was approved by the FDA on May 2020.[L14120] It is also used in combination with magnesium oxide to form magnesium citrate, an osmotic laxative.[L43832]
Synonyms	Citric acid, anhydrous Citronensäure 3-carboxy-3-hydroxypentane-1,5-dioic acid Anhydrous citric acid Citric acid,anhydrous Citric acid monoglyceride ácido cítrico 2-hydroxy-1,2,3-propanetricarboxyic acid Citric acid monohydrate Acidum citricum 2-Hydroxytricarballylic acid Citric acid
Brand Names	Cpd Adenine Cpda 1 Virtrate-K Best Choice Effervescent Antacid Pain Relief Hemasate Ultra Hs3150 Vida Mia Pain Relief ADSOL Red Cell Preservation Solution System in Plastic Container (PL 146 Plastic) IDkit HP ONE CPD/ADSOL Red Cell Preservation Solution System (PL 2209) Effervescent Pain Relief Anticoagulant Citrate Dextr Sol Formula A USP Citrasate C2150 CPD Solution Hemosate Ultra Hs2150 Renacidin Iypoly Sal De Uvas Picot Alka Seltzer Originial 1s Blister Pack Hemasate Ultra Hs2125 Reveos Select CPD/AS-5 Red Cell Preservative For Collection Of Blood TERUFLEX Blood with Diversion Blood Sampling Arm Anticoagulant CPD with OPTISOL Red Cell Preservative for Collection of 450mL of Blood Citrasate C1150 Sodium Citrate and Citric Acid Urologic Solution G Alka-Seltzer Alka-Seltzer Lemon Lime Alka-seltzer Original ACD Solution Modified Aquacetic-30 Bicaruvas Citrasate C1125 Anticoagulant Citrate Dextrose A Citric Buffered Normal Saline Equaline Effervescent Antacid and Pain Relief Equate Effervescent Antacid and Pain Relief Alka-seltzer Flavoured - Evt Imuflex Wb-SP Blood Bag System With Integral Whole Blood Leukocyte Reduction Filter (saving Platelets) With Diversion Blood Sampling Arm Kroger Effervescent Antacid and Pain Relief Oral Purgative Alka-Seltzer Heartburn Relief Lemon Lime Potassium Citrate, Sodium Citrate, and Citric Acid Cloon Stick TERUFLEX Blood Bag System Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL Red Cell Preservative BioShield 99 Market Basket Effervescent Antacid and Pain Relief Hemasate Ultra Hs4125 Bt100s Drug Mart Effervescent Pain Relief TERUFLEX BLOOD with Diversion Blood Sampling Arm 70 mL CPDA-1 Purg-odan Pico-salax Cpd/adsol All-Natural Pen Spray Additive Solution Formula 3 As-3 Alka-Seltzer Original Alka-Seltzer HEARTBURN Citrasate C0125 Hemosate Ultra Hs1150 Leucoflex CGP Stop Hair PramLyte Hemasate Ultra Hs3125 Disinfect Wipes IMUFLEX WB-RP Blood Bag System with Integral Whole Blood Leukocyte Reduction Filter (Removing Platelets) with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative W.skin Treemon Cleansing Water Quality Choice Effervescent Antacid and Pain Relief Citrasate C2125 TERUFLEX Blood Bag System with Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative Effervescent Antacid and Pain Relief Hemosate Ultra Hs4125 Potassium Citrate Citric Acid Crystals Hemasate Ultra Hs1125 Rite Aid Antacid and Pain Relief Sterile Cord Blood Collection Unit (MSC128D) TERUFLEX Blood Bag System with Diversion Blood Sampling Arm Anticoagulant CPD with OPTISOL Red Cell Preservative Solution for Collection of 500mL of Blood Alka-Seltzer Extra Strength Hemasate Ultra Hs0125 Hemosate Ultra Hs3150 Pain Relief Fast Relief Citric Acid Wipes Green Fresh Anticoagulant Citrate Dextrose A ACD-A Hemosate Ultra Hs2125 Sterile Cord Blood Collection Unit (MSC127D) Anticoagulant Solution Citrate Phosphate Dextrose (CPD) Publix Fast Relief Effervescent Walgreens Effervescent Pain Relief Whitening Lemon Peel Alka-Seltzer Gold Picoflo Sanitize/Disinfect Wipes DG Health Effervescent Antacid and Pain Relief B100 Hemosate Ultra Hs3125 Signature Care Effervescent Antacid and Pain Relief Cygzyme bdr Re-action natural low base skin refiner exfoliation essence CVS Health Antacid and Pain Reliever Alka-seltzer Flavoured Smart Sense Effervescent Antacid and Pain Relief Citracleen EnLyte Citrasate C3150 TERUFLEX Blood Bag System with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) AND OPTISOL (AS-5) Red Cell Preservative Sodium Picosulfate, Magnesium Oxide and Anhydrous Citric Acid Citrasate C4125 Potassium Citrate and Citric Acid Urologic G for Irrigation Equate Extra Strength Effervescent Antacid and Pain Relief Riga Purgative Lemon Flav Liq A-C-D Solution Anticoagulant Citrate Phosphate Dextrose (CPD) Blood-Pack Units in PL 146 Plastic Haemonetics Anticoagulant Citrate Dextrose Solution Neutra-seltzer Virtrate-3 Anticoagulant Citrate Dextrose Solution USP (acd) Formula B Anticoagulant Citrate Dextrose (ACD-A) IMUFLEX WB-SP Blood Bag System with Integral Whole Blood Leukocyte Reduction Filter (Saving Platelets) with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) and OPTISOL (AS-5) Red Cell Preservative Quality Choice Extra Strength Effervescent Antacid and Pain Relief Sal de Uvas Picot Hand Sanitizer Phexxi Family Care Effervescent Antacid and Pain Relief Anticoagulant Cit Phos Dex Adenine Sol USP Citracid-50 Clenpiq Citrasate C10125 Enl Zee-Seltzer Antacid and Pain Reliever Lysol Simply Disinfectant All Purpose Cleaner HEB Extra Strength Effervescent Antacid and Pain Relief Purilab Acd A Haemonetics Anticoagulant Citrate Phosphate Double Dextrose Solution (CP2D) Cytra-K Alka Seltzer Flavoured Acd-A Phexx Family Wellness Effervescent Antacid and Pain Relief Meijer Effervescent Antacid and Pain Relief Pall Sterile Cord Blood Collection Unit Cytra 3 Teruflex Blood Bag System With Diversion Blood Sampling Arm 70 Ml Cpda-1 Freds Effervescent Antacid Pain Relief Surface Wipes Tricitrates Alka-Seltzer Heartburn Relief Extra Strength Dr. Juans Santo Remedio PARA LA ACIDEZ Sterile Cord Blood Collection Unit (msc123d) Nutricel Additive System - CP2D Walgreens Antacid Pain Relief Extra Strength Alka-Seltzer XTRA STRENGTH Adsol Red Cell Preservation Hemasate Ultra Hs1150 Sterile Cord Blood Collection Unit As 3 Lytren Rhs Liq TopCare Effervescent Antacid and Pain Relief Citric Acid Citrasate C3125 Potassium Citrate-Citric Acid Anticoagulant Citrate Dextrose Solution-A Cpda-1 Oracit CVS Health Extra Strength Antacid and Pain Reliever Leader Extra Strength Effervescent Antacid and Pain Reliever KID-CLEAN Epiguard (Herbage Basis germ Growth InhibitsSolution) TERUFLEX Blood Bag System Anticoagulant Citrate Phosphate Dextrose Adenine (CPDA-1) Av-1000 Anticoagulant Citrate Dextrose Solution USP (acd) Formula A E-Z-gas II Hand Washing Picot Plus Effervescent Top Value Effervescent Pain Relief Lot Leukotrap WB System Prepopik Hemosate Ultra Hs1125 Av100 Good Sense Effervescent Antacid and Pain Relief Alka Seltzer Original Medique Medi Seltzer MTL1 Leucoflex Bromo Seltzer Effervescent Pain Relief Fast Relief Surface Cleaner Fluad Tetra HyVee Health Effervescent Antacid and Pain Relief Clayr Additive Formula 3 Alka Seltzer Evt CPDA-1 Blood Collection System Heparin Sodium In 5% Dextrose Injection, 25000unit/500ml Potassium Citrate-Sodium Citrate-Citric Acid Hemosate Ultra Hs0125 Oral Citrate Solution IMUFLEX WB-RP Blood Bag System with Integral Whole Blood Leukocyte Reduction Filter (Saving Platelets) with Diversion Blood Sampling Arm Anticoagulant Citrate Phosphate Dextrose (CPD) and OPTISOL (AS-5) Red Cell Preservative for collection of 500mL of Blood Premier Value Antacid and Pain Relief Medicine Effervescent Pain Relief Fast Relief Fast Relief Blood Pack Unit Cpd Cpd ACD Blood-Pack Units (PL 146 Plastic) Heparin Sodium In 0.9% Sodium Chloride Injection Puralor Up and Up Antacid and Pain Relief Cytra-K Crystals WinCo Foods Effervescent Antacid and Pain Relief Citrocarbonate Eff Pws Nature Clean Cytra-2 Haemonetics Additive Solution Formula 3 (AS-3) Lytren Sodium Citrate-Citric Acid Alka Seltzer Alka-Seltzer Heartburn Care One Original Antacid and Pain Relief Virtrate-2 PaxLyte TERUFLEX Blood Anticoagulant Citrate Phosphate Dextrose Adenine (CPDA-1) for Collection of 450mL of Blood Hemasate Ultra Hs2150 Leader Effervescent Antacid and Pain Relief Picodan
Categories	Acid Preparations Acidifying Activity Acids, Acyclic Alimentary Tract and Metabolism Calcium Chelating Activity Calcium Chelating Agents Calculi Dissolution Agent Chelating Agents Citrates Compounds used in a research, industrial, or household setting Decreased Coagulation Factor Activity Digestives, Incl. Enzymes Disinfectants (For Agents Used on Object) Hematologic Agents Organic Anion Transporting Polypeptide 2B1 Inhibitors Sequestering Agents Tricarboxylic Acids Urinary Acidifying Agents Urinary Alkalinisers
ATC-Code	A09AB04
CAS number	77-92-9

Drug Targets

DrugBank data are sourced from datasets licensed under a Creative Common's Attribution-NonCommercial 4.0 International License

Name	Target Sequence	Pharmacological Action	Actions
Metallo-beta-lactamase type 2	MELPNIMHPVAKLSTALAAALMLSGCMPGEIRPTIGQQMETGDQRFGDLV...	unknown	inhibitor
Lanosterol 14-alpha demethylase	MAIVETVIDGINYFLSLSVTQQISILLGVPFVYNLVWQYLYSLRKDRAPL...	unknown	binder
Transient receptor potential cation channel subfamily V member 4	MADSSEGPRAGPGEVAELPGDESGTPGGEAFPLSSLANLFEGEDGSLSPS...	unknown	activator
Aldo-keto reductase family 1 member B1	MASRLLLNNGAKMPILGLGTWKSPPGQVTEAVKVAIDVGYRHIDCAHVYQ...	unknown	inhibitor
Isocitrate dehydrogenase [NADP]	MAQGEKITVSNGVLNVPNNPIIPFIEGDGTGPDIWNAASKVLEAAVEKAY...	unknown	substrate,inhibitor
Beta-lactamase	MKLWFSTLKLKKAAAVLLFSCVALAGCANNQTNASQPAEKNEKTEMKDDF...	unknown	weak inhibitor
Beta-lactamase 2	MKKNTLLKVGLCVGLLGTIQFVSTISSVQASQKVEKTVIKNETGTISISQ...	unknown
Citrate synthase, mitochondrial	MALLTAAARLLGTKNASCLVLAARHASASSTNLKDILADLIPKEQARIKT...	unknown
Proto-oncogene tyrosine-protein kinase Src	MGSNKSKPKDASQRRRSLEPAENVHGAGGGAFPASQTPSKPASADGHRGP...	unknown
Ribonuclease pancreatic	MALEKSLVRLLLLVLILLVLGWVQPSLGKESRAKKFQRQHMDSDSSPSSS...	unknown
Eosinophil cationic protein	MVPKLFTSQICLLLLLGLMGVEGSLHARPPQFTRAQWFAIQHISLNPPRC...	unknown
Fumarate hydratase class II	MNTVRSEKDSMGAIDVPADKLWGAQTQRSLEHFRISTEKMPTSLIHALAL...	unknown	inhibitor
6-phosphogluconolactonase	MEKTVIYLLEDGYVDFVVEKIRTKMEKLLEEKDKIFVVLAGGRTPLPVYE...	unknown
L-amino-acid oxidase	MAPLALHLLVLVPILLSLVASQDWKAERSQDPFEKCMQDPDYEQLLKVVT...	unknown
Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1	MDSSAVITQISKEEARGPLRGKGDQKSAASQKPRSRGILHSLFCCVCRDD...	unknown
Cytochrome c peroxidase	DNLMERANSMFEPIPKYPPVIDGNELTQAKVELGKMEFFEPRLSSSHLIS...	unknown
Hepatocyte growth factor-regulated tyrosine kinase substrate	MGRGSGTFERLLDKATSQLLLETDWESILQICDLIRQGDTQAKYAVNSIK...	unknown
Invasin	MVFQPISEFLLIRNAGMSMYFNKIISFNIISRIVICIFLICGMFMAGASE...	unknown
Intron-associated endonuclease 1	MKSGIYQIKNTLNNKVYVGSAKDFEKRWKRHFKDLEKGCHSSIKLQRSFN...	unknown
Short tail fiber protein gp12	MSNNTYQHVSNESRYVKFDPTDTNFPPEITDVQAAIAAISPAGVNGVPDA...	unknown
Malate dehydrogenase, mitochondrial	MLSALARPASAALRRSFSTSAQNNAKVAVLGASGGIGQPLSLLLKNSPLV...	unknown
N5-carboxyaminoimidazole ribonucleotide mutase	MSETAPLPSASSALEDKAASAPVVGIIMGSQSDWETMRHADALLTELEIP...	unknown
50S ribosomal protein L4	MAQVDLLNVKGEKVGTLEISDFVFNIDPNYDVMWRYVDMQLSNRRAGTAS...	unknown
Carboxypeptidase B	MLALLVLVTVALASAHHGGEHFEGEKVFRVNVEDENHINIIRELASTTQI...	unknown
Hexon protein	MATPSMMPQWSYMHISGQDASEYLSPGLVQFARATETYFSLNNKFRNPTV...	unknown
Riboflavin biosynthesis protein	MVVSIGVFDGVHIGHQKVLRTMKEIAFFRKDDSLIYTISYPPEYFLPDFP...	unknown
Beta-fructosidase	MFKPNYHFFPITGWMNDPNGLIFWKGKYHMFYQYNPRKPEWGNICWGHAV...	unknown
Putative stringent starvation protein A	MAVAANKRSVMTLFSGPTDIFSHQVRIVLAEKGVSVEIEQVEADNLPQDL...	unknown
Citrate synthase	MEVARGLEGVLFTESRMCYIDGQQGKLYYYGIPIQELAEKSSFEETTFLL...	unknown
RNA 3'-terminal phosphate cyclase	MKRMIALDGAQGEGGGQILRSALSLSMITGQPFTITSIRAGRAKPGLLRQ...	unknown
U6 snRNA-associated Sm-like protein LSm6	MSLRKQTPSDFLKQIIGRPVVVKLNSGVDYRGVLACLDGYMNIALEQTEE...	unknown
Pleckstrin homology domain-containing family A member 1	MPYVDRQNRICGFLDIEENENSGKFLRRYFILDTREDSFVWYMDNPQNLP...	unknown
Fe(3+)-binding periplasmic protein	MKLRISSLGPVALLASSMMLAFGAQAASADQGIVIYNAQHENLVKSWVDG...	unknown
Signal recognition particle receptor FtsY	MGLFDFLKKGLQKTKETFFGRVVKLLKGKKLDDETREELEELLIQADVGV...	unknown
Nicotinate-nucleotide adenylyltransferase	MKSLQALFGGTFDPVHYGHLKPVETLANLIGLTRVTIIPNNVPPHRPQPE...	unknown
N utilization substance protein B homolog	MKTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRY...	unknown
Complement component C8 gamma chain	MLPPGTATLLTLLLAAGSLGQKPQRPRRPASPISTIQPKANFDAQQFAGT...	unknown
Ribonucleoside-diphosphate reductase subunit beta	MLTGKMKLIDRVSAINWNWLQDDKDAEVWDRLTGNFWLPEKVPVSNDLPS...	unknown
Glutamine synthetase 1	MTEKTPDDVFKLAKDEKVEYVDVRFCDLPGIMQHFTIPASAFDKSVFDDG...	unknown
2-methylcitrate synthase	MTEPTIHKGLAGVTADVTAISKVNSDTNSLLYRGYPVQELAAKCSFEQVA...	unknown
Prostaglandin F synthase	MALTQSLKLSNGVMMPVLGFGMWKLQDGNEAETATMWAIKSGYRHIDTAA...	unknown
Adenine phosphoribosyltransferase	MADSELQLVEQRIRSFPDFPTPGVVFRDISPVLKDPASFRAAIGLLARHL...	unknown
Glucose-1-phosphate thymidylyltransferase	MKRKGIILAGGSGTRLHPATLAISKQLLPVYDKPMIYYPLSTLMLAGIRE...	unknown
Glyoxalase family protein	MAKNKLLRMDNVSIVVESLDNAISFFEEIGLNLEGRANVEGEWAGRVTGL...	unknown
Laccase domain protein YfiH	MSKLIVPQWPQPKGVAACSSTRIGGVSLPPYDSLNLGAHCGDNPDHVEEN...	unknown
Ribose-5-phosphate isomerase A	MNQLEMKKLAAQAALQYVKADTIVGVGSGSTVNCFIEALGTIKDKIQGAV...	unknown
GMP synthase [glutamine-hydrolyzing]	MTENIHKHRILILDFGSQYTQLVARRVRELGVYCELWAWDVTEAQIRDFN...	unknown
Inosine triphosphate pyrophosphatase	MAASLVGKKIVFVTGNAKKLEEVVQILGDKFPCTLVAQKIDLPEYQGEPD...	unknown
Lysozyme	MKGKTAAGGGAICAIAVMITIVMGNGNVRTNQAGLELIGNAEGCRRDPYM...	unknown
Glycerol uptake operon antiterminator regulatory protein	MFKGIIAALWDMDSIGEIEPDVVFLLKSDILNLKFHLKILKDRGKTVFVD...	unknown
3-carboxy-cis,cis-muconate cycloisomerase	MTNQLFDAYFTAPAMREIFSDRGRLQGMLDFEAALARAEAAAGLVPHSAV...	unknown
Pyruvate decarboxylase	MSYTVGTYLAERLVQIGLKHHFAVAGDYNLVLLDNLLLNKNMEQVYCCNE...	unknown
Solute carrier organic anion transporter family member 2B1	MGPRIGPAGEVPQVPDKETKATMGTENTPGGKASPDPQDVRPSVFHNIKL...	unknown	inhibitor
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Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682

Related Resource References

Resource Name	Reference
PubChem	311, 19782904, 88113319
ChEMBL	CHEMBL1261
ChEBI	CHEBI:30769
CCDC/CSD	CITARC01, CITRAC11, QIZTEB, KOVSOF, ZESMES, RUCFAX, CITRAC10, KIGKER, KIGKAN, MEBRUH, SIMXUK, CUYXUQ, CITARC, KOVDUW, HICZIF, EGUXAG, RUWGAS, XOBHIF, AMUBAM, LEWTAK, HICZIF01, QILWIU, RUCFEB, ICUFOE, KIGKER01, MIVHEF, IKEYOP, DAJYUM
COD	2221193, 8100549, 7218809, 4501798