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Reference substances

Reference substances

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General information

Inventory

EC number:
203-742-5
EC name:
Maleic acid
CAS number:
110-16-7

No inventory information available

Reference substance information

IUPAC name:
(2Z)-but-2-enedioic acid
Synonyms
Names:
(2Z)-2-Bu​tendisäure
(Z)-buten​edioic ac​id
1,2-Ethylenedicarboxylic acid, (Z)
2-Butenedioic acid (2Z)-
2-Butenedioic acid (Z)-
cis-Butenedioic acid
Identifier:
CAS number
110-16-7
Identifier:
IUPAC name
(2Z)-but-2-enedioic acid
Identifier:
IUPAC name
(Z)-but-2-enedioic acid
Identifier:
IUPAC name
but-2-enedioic acid
Identifier:
other: InChl
1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
Identifier:
other: SMILES notation
C(=CC(=O)O)C(=O)O
Identifier:
other: InChl
InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
Identifier:
other: InChl
InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1- AuxInfo=1/1/N:3,4,2,1,6,8,5,7/E:(1,2)(3,4)(5,6,7,8)/gE:(1,2)/rA:8CCCCOOOO/rB:;s2;s1d-3;d1;d2;s1;s2;/rC:4.6439,-1.3259,0;1.5419,-1.3259,0;2.3065,0,0;3.8606,0,0;3.8606,-2.6271,0;2.3065,-2.6271,0;6.1609,-1.3136,0;0,-1.3569,0;
Identifier:
other: SMILES notation
O=C(O)/C=C\C(=O)O
Identifier:
other: SMILES notation
O=C(O)\C=C/C(=O)O
Identifier:
other: SMILES notation
OC(=O)\C=C/C(O)=O
but-2-enedioic acid

CAS information

CAS number:
110-16-7

Molecular and structural information

Molecular formula:
C4H4O4
Molecular weight:
116.072
SMILES notation:
OC(=O)\C=C/C(=O)O
InChl:
InChI=1/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)
Structural formula:
Chemical structure