Formula of Cornstarch (C27H48O20)
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Chemical Formula | C27H48O20 |
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Molecular Weight | 692.65802 g/mol |
IUPAC Name | 5-[(5-{[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}-6-({[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}methyl)-3,4-dihydroxyoxan-2-yl)oxy]-6-(hydroxymethyl)-2-methyloxane-3,4-diol |
SMILES String | COC4C(CO)OC(OCC2OC(OC1C(CO)OC(C)C(O)C1O)C(O)C(O)C2OC3OC(CO)C(OC)C(O)C3O)C(O)C4O |
InChI | InChI=1S/C27H48O20/c1-8-13(31)14(32)23(11(6-30)42-8)46-27-20(38)17(35)24(47-26-19(37)16(34)22(40-3)10(5-29)44-26)12(45-27)7-41-25-18(36)15(33)21(39-2)9(4-28)43-25/h8-38H,4-7H2,1-3H3 |
InChIKey | YJISHJVIRFPGGN-UHFFFAOYSA-N |
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Chemical Formula Description
The Cornstarch molecule contains a total of 95 atom(s). There are 48 Hydrogen atom(s), 27 Carbon atom(s), and 20 Oxygen atom(s). A chemical formula of Cornstarch can therefore be written as:
C27H48O20
The chemical formula of Cornstarch shown above is based on the molecular formula indicating the numbers of each type of atom in a molecule without structural information, which is different from the empirical formula which provides the numerical proportions of atoms of each type.
The above chemical formula is the basis of stoichiometry in chemical equations, i.e., the calculation of relative quantities of reactants and products in chemical reactions. The law of conservation of mass dictates that the quantity of each element given in the chemical formula does not change in a chemical reaction. Thus, each side of the chemical equation must represent the same quantity of any particular element based on the chemical formula.

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- Name: ethanol
- CAS #: 64-17-5
- Formula: C2H5OH
- Smiles: CCO
- InChI: InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3
- InChIKey: LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Additional Information for Identifying Cornstarch Molecule
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Structure Data File (SDF/MOL File) of Cornstarch
The structure data file (SDF/MOL File) of Cornstarch is available for download in the SDF page of Cornstarch providing the information about the atoms, bonds, connectivity and coordinates of Cornstarch, which is not completely available in the chemical formula representation. The Cornstarch structure data file can be imported to most of the cheminformatics software for further analysis and visualization.
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Chemical structure of Cornstarch
The chemical structure image of Cornstarch is available in chemical structure page of Cornstarch, which specifies the molecular geometry, i.e., the spatial arrangement of atoms in the chemical formula of Cornstarch and the chemical bonds that hold the atoms together.
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Molecular weight of Cornstarch
The molecular weight of Cornstarch is available in molecular weight page of Cornstarch, which is calculated as the sum of the atomic weights of each constituent element multiplied by the number of atoms of that element specified in the chemical formula of Cornstarch.
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InChI (IUPAC International Chemical Identifier) information of Cornstarch
The molecular chemical formulas lack structural information. An alternative textual expression including the structural information is InChI. The full standard InChI of Cornstarch is:
InChI=1S/C27H48O20/c1-8-13(31)14(32)23(11(6-30)42-8)46-27-20(38)17(35)24(47-26-19(37)16(34)22(40-3)10(5-29)44-26)12(45-27)7-41-25-18(36)15(33)21(39-2)9(4-28)43-25/h8-38H,4-7H2,1-3H3
It can provide a standard way to encode the molecular information of Cornstarch to facilitate the search for the compound information in databases and on the web.
The condensed, 27 character standard InChIKey (hashed version of the full standard InChI) of Cornstarch is:
InChIKey=YJISHJVIRFPGGN-UHFFFAOYSA-N
The InChIKey may allow easier web searches for Cornstarch, but it needs to be linked to the full InChI to get back to the original structure of the Cornstarch since the full standard InChI cannot be reconstructed from the InChIKey.
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Other names (synonyms) or registry numbers of Cornstarch
The Cornstarch compound may have different names depending on the various different situations of industrial applications. The list of the other names (synonyms) of Cornstarch including the registry numbers is given below, if available:
- CPC 6448
- CPC 3005
- HRW 13
- Sta-RX 1500
- Claro 5591
- Wheat starch, unmodified
- Aquapel (polysaccharide)
- OK PRE-GEL
- Food starch, unmodified
- ARGO brand corn starch
- Starch, pregelatinized
- Amaizo W 13
- Farinex 100
- Starch [USAN]
- Penford Gum 380
- Staramic 747
- W-Gum
- W-13 Stabilizer
- Starch, unmodified
- Starch, converted
- Starch, rice
- Starch, corn
- Starch, wheat
- Amylomaize VII
- Starch, potato
- Remyline Ac
- Galactasol A
- Arrowroot starch
- Wheat starch
- Starch dust
- Sorghum gum
- Sago starch
- Rice starch
- Food starch
- Corn starch
- Tapioca starch
- Tapon
- Starch mucilage
- Amyla
- Trogum
- Meluna
- Genvis
- Amylum
- Starken
- Melojel
- Maranta
- Maizena
- Keestar
- Clearjel
- Cornstarch
Cornstarch Identification Summary Frequently Asked Questions (FAQs)
What’s the chemical formula of Cornstarch? |
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C27H48O20 |
How many atoms and what are they in the Cornstarch structure? |
95 atom(s) - 48 Hydrogen atom(s), 27 Carbon atom(s), and 20 Oxygen atom(s) |
How many chemical bonds and what are they in the Cornstarch structure? |
98 bond(s) - 50 non-H bond(s), 12 rotatable bond(s), 4 six-membered ring(s), 11 hydroxyl group(s), 3 primary alcohol(s), 8 secondary alcohol(s), and 9 ether(s) (aliphatic) |
What’s the molecular weight of Cornstarch? |
692.65802 g/mol |
What’s the SMILES string of Cornstarch? |
COC4C(CO)OC(OCC2OC(OC1C(CO)OC(C)C(O)C1O)C(O)C(O)C2OC3OC(CO)C(OC)C(O)C3O)C(O)C4O |
What’s the InChI of Cornstarch? |
InChI=1S/C27H48O20/c1-8-13(31)14(32)23(11(6-30)42-8)46-27-20(38)17(35)24(47-26-19(37)16(34)22(40-3)10(5-29)44-26)12(45-27)7-41-25-18(36)15(33)21(39-2)9(4-28)43-25/h8-38H,4-7H2,1-3H3 |
What’s the InChIKey of Cornstarch? |
YJISHJVIRFPGGN-UHFFFAOYSA-N |