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21069

Sigma-Aldrich

Calciumcarbonat

tested according to Ph. Eur.

Synonym(e):

Calcii carbonas

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About This Item

Lineare Formel:
CaCO3
CAS-Nummer:
471-34-1
Molekulargewicht:
100.09
Beilstein:
8008338
EG-Nummer:
207-439-9
MDL-Nummer:
MFCD00010906
UNSPSC-Code:
12352300
PubChem Substanz-ID:
329751908
NACRES:
NA.21

Agentur

USP/NF
tested according to Ph. Eur.

Qualitätsniveau

200

Assay

99.3%

Form

powder

Löslichkeit

1 M acetic acid: soluble
alcohol: insoluble
hydrochloric acid: soluble (3 N)
nitric acid: soluble (2 N)

Dichte

2.93 g/mL at 25 °C (lit.)

SMILES String

[Ca++].[O-]C([O-])=O

InChI

1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2

InChIKey

VTYYLEPIZMXCLO-UHFFFAOYSA-L

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Anwendung

Calcium carbonate has been utilized by plants and animal for the formation of their skeletons and shells. It also facilitates the calcium carbonate crystal growth on a chitosan substrate.

Biochem./physiol. Wirkung

Calcium carbonate is a naturally occurring compound that reduces T4 absorption and enhancess serum thyrotropin levels. It also precludes osteoporosis induced by thyrotropin-suppressive doses of levothyroxine in postmenopausal women. Additionally, it reduces diarrhea in individuals with protease inhibitor-induced HIV-infection.

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

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Analysenzertifikate (COA)

Lot/Batch Number
BCCJ7525
BCCH8261
BCCG8130
BCCF8556
BCCC7445

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Megan J Turner et al.
HIV clinical trials, 5(1), 19-24 (2004-03-06)
Although some evidence exists to support the practice of using calcium carbonate to treat nelfinavir-induced diarrhea, there is a lack of data supporting the role of calcium in diarrhea induced by other protease inhibitors (PIs). The objective of this prospective
Influence of the Chitosan Surface Profile on the Nucleation and Growth of Calcium Carbonate Films.
<BIG>Sukun Zhang</BIG>
Langmuir, 14, 6761-6766 (1998)
Alan T Marshall
Microscopy research and technique, 56(5), 341-357 (2002-03-06)
The Cnidaria are simple organisms that have remarkable physiological features susceptible to microscopic investigation. As a group they produce cnidae, the most complex intracellular organelles known, form symbioses with a range of unicellular algae, contain mucocytes that account for a
N Singh et al.
JAMA, 283(21), 2822-2825 (2000-06-06)
The effect of calcium carbonate on the absorption of levothyroxine has not been studied systematically. Such a potential drug interaction merits investigation because concurrent treatment with both drugs is common, particularly in postmenopausal women. To investigate the potential interference of
F H Wilt
Journal of structural biology, 126(3), 216-226 (1999-09-04)
The endoskeletal spicules of sea urchin larvae are composed of calcite, a surrounding extracellular matrix, and small amounts of occluded matrix proteins. The spicules are formed by primary mesenchyme cells (PMCs) in the blastocoel of the embryo, where they adopt
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