Enzyme Explorer

Cofactor Index

Sigma offers a broad selection of high quality enzyme cofactors.
You will find them in the following categories:

Acyl Transfer Reagents
Oxidation-Reduction
Phosphate Donors
Other Cofactors


Acyl Transfer Reagents
Product Name Product # 
Acetoacetyl coenzyme A trisodium salt trihydrate, 90-95% A1625
Acetyl coenzyme A trilithium salt, approx. 95% A2181
Acetyl coenzyme A sodium salt, approx. 95%, Powder A2056
Adenosine-5'-diphosphoglucose disodium salt, approx. 95% A0627
Adenosine 5'-diphosphoribose sodium salt, approx. 95% A0752
Arachidonoyl coenzyme A lithium salt, minimum 85% A5837
Benzoyl coenzyme A lithium salt, minimum 90% B1638
2-Butenoyl Coenzyme A lithium salt, 90-95% C6146
Butyryl coenzyme A dilithium salt hydrate, 90-95% B1508
Coenzyme A hydrate, yeast, 90-95% C4282
Coenzyme A sodium salt hydrate, minimum 85% as glycosaminoglycan C3144
Coenzyme A trilithium salt, yeast, approx. 95% C3019
Cytidine 5'-diphosphocholine sodium salt dihydrate, yeast, approx. 98%, Solid C0256
Cytidine 5'-diphosphoglycerol disodium salt, approx. 95% C9133
Decanoyl coenzyme A monohydrate, 90-95% D5269
3'-Dephosphocoenzyme A, 90-95% D3385
Desulfocoenzyme A lithium salt, 90-95% D2776
1,2-Dimyristoyl-sn-glycerol-3-(5'-diphosphocytidine) potassium salt, approx. 90% C5430
1,2-Dipalmitoyl-sn-glycerol-3-(5'-diphosphocytidine) potassium salt, approx. 90% C3263
Guanosine 5'-diphospho-b-L-fucose sodium salt, approx. 90% G4401
Guanosine 5'-diphosphoglucose sodium salt G7502
Guanosine 5'-diphospho-D-mannose sodium salt from Saccharomyces cerevisiae, Type I, approx. 98% G5131
n-Heptadecanoyl coenzyme A lithium salt, minimum 90% H1385
Hexanoyl coenzyme A trilithium salt trihydrate, 385% H2012
DL-3-Hydroxy-3-methylglutaryl coenzyme A sodium salt, 90-95% H6132
DL-b-Hydroxybutyryl coenzyme A lithium salt, minimum 90% H0261
Isobutyryl coenzyme A lithium salt, 90-95% I0383
Isovaleryl coenzyme A lithium salt, minimum 90% I9381
Lauroyl coenzyme A lithium salt, 90-95% L2659
Linoleoyl coenzyme A lithium salt, 85-90% L9754
Malonyl coenzyme A lithium salt, 90-95% M4263
b-Methylcrotonyl coenzyme A lithium salt, minimum 90% M3013
Methylmalonyl coenzyme A tetralithium salt hexahydrate, 90-95% M1762
Myristoyl coenzyme A lithium salt, 90-95% M4414
Octanoyl coenzyme A monohydrate, 90-95% O6877
Oleoyl coenzyme A lithium salt, approx. 90% O1012
Palmitoleoyl coenzyme A lithium salt, approx. 90% P6775
Palmitoyl coenzyme A lithium salt, approx. 90% P9716
n-Propionyl coenzyme A lithium salt, minimum 85% P5397
Stearoyl coenzyme A lithium salt, 90-95% S0802
Succinyl coenzyme A sodium salt, 85-95% S1129
Uridine 5'-diphospho-N-acetylgalactosamine disodium salt, approx. 98% U5252
Uridine 5'-diphospho-N-acetylglucosamine sodium salt, approx. 98% U4375
Uridine 5'-diphosphogalactose disodium salt, approx. 98% U4500
Uridine 5'-diphosphoglucose disodium salt from Saccharomyces cerevisiae, approx. 98% U4625
Uridine 5'-diphosphoglucuronic acid triammonium salt, 98-100% U5625
Uridine 5'-diphosphoglucuronic acid trisodium salt, 98-100% U6751
Oxidation-Reduction back to top
Product Name Product # 
Ascorbic acid, SigmaUltra, minimum 99.0%, Crystalline A5960
Ascorbic acid, Crystalline, 325 mesh A7506
(+)-Sodium L-ascorbate, Crystalline A7631
6-Biopterin, minimum 98% B2517
Coenzyme Q1, minimum 95% C7956
Coenzyme Q2, minimum 90% C8081
Coenzyme Q4, minimum 90% C2470
Coenzyme Q6 from Saccharomyces cerevisiae C9504
Coenzyme Q9 from Candida utilis, 90-95% C9888
Coenzyme Q10, minimum 98% (HPLC), yeast C9538
Dihydrofolic acid, approx. 90% D7006
Flavin adenine dinucleotide disodium salt dihydrate, minimum 94%, Powder F6625
Folic acid, approx. 98% F7876
L-Glutathione oxidized disodium salt, approx. 98% G4376
L-Glutathione oxidized disodium salt, SigmaUltra, approx. 98% G6654
L-Glutathione reduced, minimum 99% G4251
L-Glutathione reduced, SigmaUltra, 98-100% G6529
(1)-a-Lipoic acid, synthetic, minimum 99% (titration), Powder T5625
a-Nicotinamide adenine dinucleotide from Saccharomyces cerevisiae N6754
a-Nicotinamide adenine dinucleotide, reduced disodium salt, approx. 90% N6879
b-Nicotinamide adenine dinucleotide N1511
b-Nicotinamide adenine dinucleotide hydrate, minimum 99% N1636
b-Nicotinamide adenine dinucleotide hydrate, yeast, SigmaUltra N6522
b-Nicotinamide adenine dinucleotide hydrate, approx. 98%, yeast N7004
b-Nicotinamide adenine dinucleotide phosphate reduced tetrasodium salt, approx. 95% N1630
b-Nicotinamide adenine dinucleotide phosphate reduced tetrasodium salt, minimum 95% N6505
b-Nicotinamide adenine dinucleotide phosphate reduced tetrasodium salt, approx. 98% N7505
b-Nicotinamide adenine dinucleotide phosphate sodium salt, approx. 98% N0505
b-Nicotinamide adenine dinucleotide phosphate sodium salt, minimum 95%, Powder N3886
b-Nicotinamide adenine dinucleotide sodium salt from Saccharomyces cerevisiae, approx. 95% N0632
b-Nicotinamide adenine dinucleotide, reduced disodium salt hydrate, approx. 95% N6005
b-Nicotinamide adenine dinucleotide, reduced disodium salt hydrate, approx. 98% N8129
b-Nicotinamide mononucleotide, 95-100% N3501
Nicotinamide hypoxanthine dinucleotide phosphate, reduced tetrasodium salt, Grade I, approx. 95% N7256
Nicotinic acid adenine dinucleotide phosphate sodium salt, approx. 95% N5655
Nicotinic acid adenine dinucleotide sodium salt, approx. 98% N4256
Nicotinic acid mononucleotide N7764
Nicotinic acid riboside, (Enzymatically produced from NADH or NAD), Powder N9534
Protoporphyrin IX, approx. 95% P8293
Riboflavin R4500
Riboflavin 5'-monophosphate sodium salt dihydrate, approx. 95% (HPLC) F8399
(6R)-5,6,7,8-Tetrahydrobiopterin dihydrochloride T4425
Tetrahydrofolic acid, approx. 70%, Powder T3125
DL-6,8-Thioctic acid, reduced, minimum 98%, Liquid T8260
Thionicotinamide adenine dinucleotide, 90-95% T7375
Phosphate Donors back to top
Product Name Product # 
Adenosine 5'-(b,g-imido)triphosphate tetralithium salt hydrate, approx. 95% (HPLC), Powder A2647
Adenosine 5'-[g-thio]triphosphate tetralithium salt, minimum 75%, Powder A1388
Adenosine 5'-diphosphate monopotassium salt dihydrate, bacterial, 98-100%, Crystalline A5285
Adenosine 5'-diphosphate sodium salt, bacterial, 95-99% A2754
Adenosine 5'-triphosphate disodium salt, bacterial, Grade I, minimum 99% A2383
Adenosine 5'-triphosphate disodium salt, bacterial, Grade II, minimum 99%, Crystalline A3377
Adenosine 5'-triphosphate disodium salt, bacterial, SigmaUltra, minimum 99% A7699
Adenosine 5'-triphosphate magnesium salt, 95-98% A9187
Cytidine 5'-diphosphate sodium salt hydrate, yeast, approx. 98% C9755
Cytidine 5'-triphosphate disodium salt, Type III, approx. 98% C1506
Cytidine 5'-triphosphate disodium salt, Type VII, approx. 98% C9274
Guanosine 5'-[b,g-imido]triphosphate trisodium salt, approx. 85% (HPLC), Powder G0635
Guanosine 5'-diphosphate sodium salt, Type I, minimum 96% (HPLC) G7127
Guanosine 5'-diphosphate tris salt from Saccharomyces cerevisiae, Type VI, approx. 98% G7252
Guanosine 5'-triphosphate lithium salt, approx. 97% (HPLC), Powder G5884
Guanosine 5'-triphosphate sodium salt hydrate, minimum 95% (HPLC), Powder G8877
Guanosine 5'-triphosphate tris salt, minimum 95% (HPLC), Powder G9002
Uridine 5'-diphosphate sodium salt from Saccharomyces cerevisiae, 95-100% U4125
Uridine 5'-triphosphate tris salt, Type VI, approx. 98% U6875
Uridine 5'-triphosphate trisodium salt dihydrate, yeast, Type III, approx. 97% U6625
Uridine 5'-triphosphate trisodium salt dihydrate, Type IV, 90-95% U6750
Other Cofactors back to top
Product Name Product # 
Biotin, approx. 99% (TLC), Lyophilized powder B4501
Coenzyme B12, approx. 98% C0884
Pyridoxal hydrochloride P9130
Pyridoxal 5'-phosphate monohydrate, minimum 98%, Crystalline P9255
Thiamine hydrochloride T4625
Thiamine monophosphate chloride dihydrate T8637
Vitamin B12, approx. 99% V2876

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