Potassium impurities and related standards

88 reference standards related to Potassium held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

In this group: 87 fine chemicals · 1 chemical reagent. CAS numbers are listed for 88 of 88; 88 entries carry a structure drawing.

On this page

88 reference standards

All entries — structure, identifiers and pack sizes

potassium ((2,6-dimethylmorpholino)methyl)trifluoroborate

CAS 1513868-30-8RS-P693134

Formula C7H14BF3KNO MW 235.1
IN STOCK
potassium ((3,3-difluoropyrrolidin-1-yl)methyl)trifluoroborate

CAS 1415155-43-9RS-P693135

Formula C5H8BF5KN MW 227.03
IN STOCK
potassium ((4,4-difluoropiperidin-1-yl)methyl)trifluoroborate

CAS 1708960-44-4RS-P693136

Formula C6H10BF5KN MW 241.05
IN STOCK
potassium ((4-((tert-butoxycarbonyl)amino)piperidin-1-yl)methyl)trifluoroborate

CAS 1350766-60-7RS-P693138

Formula C11H21BF3KN2O2 MW 320.2
IN STOCK
Potassium (2-chloro-4-fluorobenzyl)trifluoroborate

CAS 2828444-60-4RS-P693145

Formula C7H5BClF4K MW 250.47
IN STOCK
Potassium (Phthalimidomethyl)trifluoroborate

CAS 1001671-72-2RS-P693111

Formula C9H6BF3NO2K MW 227.96
CUSTOM SYNTHESIS
POTASSIUM (R)-N-(3-METHOXY-1-METHYL-3-OXOPROP-1-ENYL)-2-PHENYLGLYCINATE

CAS 34582-65-5RS-P693072

Formula C13H14KNO4 MW 287.36
CUSTOM SYNTHESIS
Potassium (S)-2-amino-4-carboxybutanoate(x:1)

CAS 24595-14-0RS-P693035

Formula C5H7K2NO4 MW 223.31
IN STOCK
Potassium (S)-4-amino-4-carboxybutanoate

CAS 19473-49-5RS-P693037

Formula C5H10KNO5 MW 203.23
IN STOCK
Potassium 1-(2,3-Epoxypropoxy)-4-naphthol Sulfate

CAS 95648-12-7RS-P693009

Formula C13H12K2O7S MW 390.49
CUSTOM SYNTHESIS
Potassium 1-(2-(dimethylamino)ethyl)-1H-pyrazole-5-carboxylate

CAS 2682115-66-6RS-P693144

Formula C8H12KN3O2 MW 221.3
CUSTOM SYNTHESIS
potassium 1-hydroxyethanesulphonate

CAS 4445-75-4RS-P693083

Formula C2H5KO4S MW 164.22
IN STOCK
Potassium 2,2'-((2-((8-((carboxylatomethyl)(carboxymethyl)amino)-6-methoxyquinolin-2-yl)methoxy)-5-methylphenyl)azanediyl)diacetate

CAS 100930-10-7RS-P693002

Formula C26H24K3N3O10 MW 655.78
BACK ORDER
Potassium 2-((Cyanomethyl)Thio)Acetate

CAS 52069-54-2RS-P693133

Formula C4H4KNO2S MW 169.24
IN STOCK
Potassium 2-((difluoromethyl)thio)acetate

CAS 1797117-16-8RS-P693003

Formula C3H3F2O2SK MW 141.12
IN STOCK
Potassium 2-(1H-benzo[d]imidazol-1-yl)acetate

CAS 1011405-01-8RS-P693121

Formula C9H7N2O2K MW 175.16
IN STOCK
Potassium 2-(2,2,2-trifluoroethoxy)acetate

CAS 1007036-34-1RS-P693114

Formula C4H4F3O3K MW 157.07
IN STOCK
Potassium 2-(2,5-dimethyl-7-oxopyrazolo[1,5-a]pyrimidin-4(7h)-yl)acetate

CAS 1007191-99-2RS-P693119

Formula C10H10N3O3K MW 220.2
IN STOCK
Potassium 2-(2-butyl-1h-1,3-benzodiazol-1-yl)acetate

CAS 1007192-04-2RS-P693120

Formula C13H15N2O2K MW 231.27
CUSTOM SYNTHESIS
potassium 2-(isobutylamino)-1,3-thiazole-4-carboxylate

CAS 1011405-09-6RS-P693123

Formula C8H11N2O2SK MW 199.25
IN STOCK
Potassium 2-[(4-fluorophenyl)sulfanyl]acetate

CAS 1007190-49-9RS-P693118

Formula C8H6FO2SK MW 185.2
IN STOCK
Potassium 2-[2-(phenoxymethyl)-1H-1,3-benzodiazol-1-yl]acetate

CAS 1011405-17-6RS-P693126

Formula C16H14N2O3 MW 282.29
IN STOCK
Potassium 2-amino-1,3-benzothiazole-6-carboxylate

CAS 1017488-71-9RS-P693130

Formula C8H5N2O2SK MW 193.2
CUSTOM SYNTHESIS
potassium 2-amino-2-methylpropionate octahydrate

CAS 120447-91-8RS-P693062

Formula C4H9NO2.K MW 142.22
IN STOCK
Potassium 2-carboxy-4,6-diiodophenolate

CAS 1015937-56-0RS-P693129

Formula C7H3I2O3K MW 388.91
CUSTOM SYNTHESIS
Potassium 2-ethylhexanoate hydrate

CAS 1366379-15-8RS-P693040

Formula C8H17KO3 MW 200.32
IN STOCK
Potassium 2-fluoro-5-formylphenyltrifluoroborate

CAS 1012868-70-0RS-P693128

Formula C7H4BF4OK MW 190.91
IN STOCK
Potassium 2-methylmalonate

CAS 77939-79-8RS-P693008

Formula C4H4K2O4 MW 194.27
IN STOCK
potassium 3-(2-chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylate

CAS 83817-49-6RS-P693142

Formula C11H6ClFKNO3 MW 293.72
IN STOCK
potassium 3-hydroxybutyrate

CAS 39650-04-9RS-P693080

Formula C4H7KO3 MW 142.19
IN STOCK
Potassium 4-(2-chloro-5-nitrobenzenesulfonamido)benzoate

CAS 1007190-14-8RS-U096003

Formula C13H8ClN2O6SK MW 355.73
IN STOCK
Potassium 4-(3-chloro-4-methylphenyl)-5-thioxo-4,5-dihydro-1,3,4-thiadiazole-2-thiolate

CAS 1011405-05-2RS-P693122

Formula C9H6ClN2S3K MW 273.81
IN STOCK
Potassium 4-(3-Morpholinopropyl)-5-[(2-oxopyrrolidin-1-yl)methyl]-4H-1,2,4-triazole-3-thiolate

CAS 1006432-73-0RS-P693113

Formula C14H22N5O2SK MW 324.42
IN STOCK
potassium 4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenylacetate

CAS 40993-15-5RS-P693087

Formula C14H8I3KO4 MW 660.02
BACK ORDER
Potassium 4-Carboxy-1,2,5-thiadiazole-3-carboxylate Hydrate

CAS 462651-65-6RS-P693041

Formula C4H3KN2O5S MW 230.24
CUSTOM SYNTHESIS
Potassium 4-chloro-2-(thiophene-2-carboxamido)benzoate

CAS 1011405-11-0RS-P693124

Formula C12H7ClNO3SK MW 280.71
IN STOCK
potassium 4-chloro-3,5-dinitrobenzenesulphonate

CAS 38185-06-7RS-P693076

Formula C6H2ClKN2O7S MW 320.71
IN STOCK
Potassium 4-chloro-3-[(2-methoxy-5-nitrophenyl)sulfamoyl]benzoate

CAS 1007190-15-9RS-P693116

Formula C14H10ClN2O7SK MW 385.76
IN STOCK
Potassium 4-hydroxy-1-phenyl-1H-pyrazole-3-carboxylate

CAS 1007190-44-4RS-P693117

Formula C10H7N2O3K MW 203.17
IN STOCK
Potassium 4-hydroxy-3,5-dimethylphenyltrifluoroborate

CAS 1015082-73-1RS-P693137

Formula C8H9BF3KO MW 228.06
CUSTOM SYNTHESIS
Potassium 4-Methyl-2-Oxo-2H-Chromen-7-Yl Sulfate

CAS 15220-11-8RS-P693132

Formula C10H7KO6S MW 294.32
IN STOCK
potassium 5-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-thioxo-2H-pyrimidin-1-ide

CAS 1007069-90-0RS-P693115

Formula C10H4ClF3N3SK MW 290.67
IN STOCK
Potassium 5-cyano-1,1,1-trifluoro-6-methoxy-6-oxo-2,4-hexadien-2-olate

CAS 1001924-23-7RS-P693112

Formula C8H5F3NO3K MW 220.13
IN STOCK
potassium 5-oxo-L-prolinate

CAS 4810-50-8RS-P693084

Formula C5H6KNO3 MW 167.2
IN STOCK
potassium [1R-(1alpha,4abeta,10aalpha)]-1,2,3,4,4a,9,10,10a-octahydro-7-isopropyl-1,4a-dimethylphenanthren-1-carboxylate

CAS 38592-41-5RS-P693077

Formula C20H27KO2 MW 338.53
IN STOCK
Potassium [2,2'-biquinoline]-4,4'-dicarboxylate hydrate

CAS 1268237-71-3RS-P693039

Formula C20H12K2N2O5 MW 438.52
BACK ORDER
potassium [2-(trifluoromethyl)-1H-benzimidazol-1-yl]acetate

CAS 1011414-21-3RS-P693127

Formula C10H6F3N2O2K MW 243.16
IN STOCK
potassium [2-[[[5-[(2-chloro-5-sulphophenyl)azo]-2-hydroxyphenyl]methylene]amino]benzoato(3-)]hydroxychromate(1-)

CAS 85118-17-8RS-P693028

Formula C20H16ClCrKN3O7S+ MW 568.98
BACK ORDER
potassium [2S-[2alpha,5alpha,6beta(S*)]]-6-[[[(3-methoxy-1-methyl-3-oxoprop-1-enyl)amino]phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

CAS 40126-27-0RS-P693085

Formula C21H24KN3O6S MW 485.6
BACK ORDER
potassium [3S-(3alpha,4beta,21beta)]-[14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-9-vinylphorbine-3-propionato(3-)-N23,N24,N25,N26]cuprate(1-)

CAS 84773-85-3RS-P693023

Formula C35H35CuKN4O5 MW 694.33
BACK ORDER
potassium [[N,N'-ethylenebis[N-(carboxymethyl)glycinato]](4-)-N,N',O,O',ON,ON']nickelate(1-)

CAS 67906-12-1RS-P693020

Formula C10H14K2N2O8 MW 368.42
IN STOCK
potassium [N,N-bis(carboxymethyl)glycinato(3-)-N,O,O',O'']nickelate(1-)

CAS 63640-18-6RS-P693025

Formula C6H9KNNiO6+ MW 288.93
IN STOCK
Potassium ammonium ethylenebis(dithiocarbamate)

CAS 22221-14-3RS-P693068

Formula C4H10KN3S4 MW 267.51
IN STOCK
POTASSIUM AMMONIUM SULFATE

CAS 23208-79-9RS-P693069

Formula H4KNO4S MW 153.2
IN STOCK
POTASSIUM ANTIMONY TARTRATE

CAS 16039-64-8RS-P693052

BACK ORDER
Potassium bis((perfluoroethyl)sulfonyl)amide

CAS 221203-22-1RS-P693012

Formula C4F10KNO4S2 MW 419.3
CUSTOM SYNTHESIS
potassium bis(2-ethylhexyl) phosphate

CAS 4971-46-4RS-P693086

Formula C16H34KO4P MW 360.52
IN STOCK
potassium bis(5-oxo-L-prolinate)

CAS 37736-58-6RS-P693075

CUSTOM SYNTHESIS
potassium bis(N-carboxymethyl)-N-methyl-glycinato-(2-)N,O,O,N)-ferrate-(1-) monohydrate

CAS 153352-59-1RS-P693066

CUSTOM SYNTHESIS
POTASSIUM CITRATE, MONOBASIC, DIHYDRATE, REAGENTPOTASSIUM CITRATE, MONOBASIC, DIHYDRATE, REAGENTPOTASSIUM CITRATE, MONOBASIC, DIHYDRATE, REAGENTPOTASSIUM CITRATE, MONOBASIC, DIHYDRATE, REAGENT

CAS 132854-96-7RS-P693018

Formula C6H11KO9 MW 266.24
CUSTOM SYNTHESIS
Potassium D-tartrate Monobasic

CAS 57341-16-9RS-P693143

Formula C4H5KO6 MW 188.18
IN STOCK
POTASSIUM DODECAHYDRODODECABORATE HYDRATE

CAS 12008-77-4RS-P693047

Formula H2B10K2O MW 204.33
IN STOCK
Potassium fumarate

CAS 4151-35-3RS-P693032

Formula C4H2K2O4 MW 192.25
CUSTOM SYNTHESIS
potassium hydrogen [2-[[alpha-[[2-hydroxy-5-[(3-sulphoanilino)sulphonyl]phenyl]azo]benzyl]azo]benzoato(4-)]cuprate(2-)

CAS 84057-70-5RS-P693024

Formula C26H21CuKN5O8S2+ MW 698.26
BACK ORDER
Potassium L-tartrate hydrate

CAS 304655-91-2RS-P693033

BACK ORDER
Potassium maleate

CAS 4151-34-2RS-P693034

Formula C4H2K2O4 MW 192.25
IN STOCK
PotassiuM Methylcyclopentadienide

CAS 41066-45-9RS-P693088

Formula C6H7K MW 118.22
IN STOCK
POTASSIUM OSMATE(VI) DIHYDRATE

CAS 19718-36-6RS-P693058

Formula K2O4Os MW 332.42
IN STOCK
Potassium Oxalate Monohydrate

CAS 6487-48-5RS-P693006

Formula C2H2K2O5 MW 184.23
IN STOCK
Potassium pentachlororuthenate(III)Hydrate

CAS 14404-33-2RS-P693042

Formula H2Cl5K2ORu MW 374.55
CUSTOM SYNTHESIS
potassium salt

CAS 119703-09-2RS-P693016

Formula C15H30KO3PS MW 360.54
IN STOCK
potassium sodium (R*,R*)-(±)-tartrate

CAS 147-79-5RS-P693030

Formula C4H4KNaO6 MW 210.16
IN STOCK
potassium sodium adipate

CAS 19584-53-3RS-P693059

Formula C6H8KNaO4 MW 206.21
CUSTOM SYNTHESIS
POTASSIUM SODIUM CARBONATE

CAS 10424-09-6RS-P693043

Formula CKNaO3 MW 122.1
IN STOCK
potassium sodium diniobate

CAS 12196-68-8RS-P693049

BACK ORDER
potassium sodium hydrogenorthophosphate

CAS 14518-27-5RS-P693055

Formula HKNaO4P MW 158.07
IN STOCK
POTASSIUM SODIUM SULFATE

CAS 16800-24-1RS-P693056

Formula KNaO4S MW 158.15
IN STOCK
Potassium sodium sulfite

CAS 100816-19-1RS-P693060

Formula KNaO3S MW 142.15
IN STOCK
Potassium Sodium Tartrate Solution

CAS 304-59-6RS-P693004

Formula C4H4KNaO6 MW 210.16
IN STOCK
POTASSIUM TELLURATE HYDRATE

CAS 314041-10-6RS-P693082

Formula H2K2O5Te MW 287.81
IN STOCK
POTASSIUM THIOSULFATE HYDRATE

CAS 13446-67-8RS-P693050

Formula H2K2O4S2 MW 208.34
CUSTOM SYNTHESIS
Potassium trifluoro((3-oxopiperazin-1-yl)methyl)borate

CAS 1897405-45-6RS-P693139

Formula C5H9BF3KN2O MW 220.04
IN STOCK
potassium trifluoro((4-methoxypiperidin-1-yl)methyl)borate

CAS 2641140-55-6RS-P693140

Formula C7H14BF3KNO MW 235.1
IN STOCK
Potassium trifluoro(1-methylindol-2-yl)borate

CAS 1428884-67-6RS-P693146

Formula C9H8BF3KN MW 237.07
IN STOCK
Potassium Trifluoro(3-(4-Methylpiperazin-1-Yl)Prop-1-E

CAS 1357559-51-3RS-P693131

Formula C8H15BF3KN2 MW 246.12
IN STOCK
Potassium trifluoro(3-?fluoro-?5-?hydroxyphenyl)?boranuide

CAS 2149596-15-4RS-P693147

Formula C6H4BF4KO MW 218
CUSTOM SYNTHESIS
potassium trifluoro(5-formyl-2-methoxyphenyl)borate

CAS 907604-60-8RS-P693141

Formula C8H7BF3KO2 MW 242.05
IN STOCK
potassium {2-[(4-chlorophenoxy)methyl]-1H-benzimidazol-1-yl}acetate

CAS 1011405-15-4RS-P693125

Formula C16H12ClN2O3K MW 315.73
IN STOCK

88 reference standards

Frequently asked

How many Potassium-related reference standards do you hold?

88 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 88 of them and 88 entries carry a structure drawing. The catalogue is extended as new lots are released.

Can you supply a Potassium impurity that is not listed here?

Yes. Non-compendial impurities can be quoted from a structure — a CAS number is not required. Send the structure, a SMILES string or the parent drug substance with your enquiry and we will come back with availability.

What documentation is supplied with Potassium impurities?

Every lot ships with its own certificate of analysis. The certificate records the catalogue number, the batch number, the tests performed, the specification applied and the result obtained for that lot. A safety data sheet is supplied with the shipment.

Do you publish prices or a lead time for Potassium impurities?

No price list is published: quotations are prepared per enquiry, because availability and packing depend on the lot and the quantity you need. Send the catalogue number and the quantity and a technical contact will answer with availability and a quotation.

Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to sales@rssechem.com.