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Pyrophosphoric acid, also
known as
diphosphoric acid, is the
inorganic compound with the
formula H4P2O7 or, more descriptively, [(HO)2P(O)]2O. Colorless...
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Adenosine diphosphate (ADP), also
known as
adenosine pyrophosphate (APP), is an
important organic compound in
metabolism and is
essential to the flow of...
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polyphosphoric acid
after pyrophosphoric acid, H4P2O7, also
called diphosphoric acid.
Compounds such as ATP (adenosine triphosphate) are
esters of triphosphoric...
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methyl dihydrogen phosphate (O=P(−O−CH3)(−OH)2)
Pyrophosphoric (
diphosphoric) acid
forms pyrophosphate esters, e.g.
tetraethyl pyrophosphate, ADP...
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hydrolases EC 3.1.6:
Sulfuric ester hydrolases (sulfatases) EC 3.1.7:
Diphosphoric monoester hydrolases EC 3.1.8:
Phosphoric triester hydrolases Exonucleases...
- +3 (HO) 2POPO(OH) 2
Diphosphoric(III,V) acid O 2POPOO2− 2 Diphosphate(III,V) +4 (HO) 2OPPO(OH) 2
Hypophosphoric acid (
diphosphoric(IV) acid) O 2OPPOO4−...
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pyrophosphate Names IUPAC name
Disodium dihydrogen diphosphate Other names Diphosphoric acid,
disodium salt
Disodium dihydrogen pyrophosphate Disodium diphosphate...
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Hypophosphoric acid
Names IUPAC name
Hypodiphosphoric acid
Other names Diphosphoric acid
Identifiers CAS
Number 7803-60-3 3D
model (JSmol)
Interactive image...
- This list
contains a list of EC
numbers for the
third group, EC 3, hydrolases,
placed in
numerical order as
determined by the
Nomenclature Committee of...
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peroxydiphosphoric acid was
obtained in poor
yields from the
reaction between diphosphoric acid and highly-concentrated
hydrogen peroxide. H4P2O7 + H2O2 → H4P2O8...
