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01-4600

Sigma-Aldrich

Ammonium citrate dibasic

suitable for atomic absorption spectrometry, 98.0-102.0%

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Synonym(s):
Ammonium hydrogencitrate, Citric acid ammonium salt, Diammonium hydrogen citrate
Linear Formula:
HOC(CO2H)(CH2CO2NH4)2
CAS Number:
3012-65-5
Molecular Weight:
226.18
Beilstein:
4925760
EC Number:
221-146-3
MDL number:
MFCD00013068
UNSPSC Code:
12352100
PubChem Substance ID:
329747290

vapor density

1.8 (vs air)

Assay

98.0-102.0%

form

solid

availability

available only in Japan

pH

5.2 (20 °C, 50 g/L)

suitability

suitable for atomic absorption spectrometry

SMILES string

N.N.OC(=O)CC(O)(CC(O)=O)C(O)=O

InChI

1S/C6H8O7.2H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);2*1H3

InChI key

YXVFQADLFFNVDS-UHFFFAOYSA-N

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Triplexes with a gap in the purine strand have been shown to bind adenosine or guanosine derivatives through a combination of Watson-Crick and Hoogsteen base pairing. Rigidifying the binding site should be advantageous for affinity. Here we report that clamps
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Chimeric oligonucleotides containing phosphodiester and phosphorothioate linkages have been obtained using the solid phase synthesis. The oligonucleotide parts possessing natural internucleotide phosphate bonds were assembled using commercially available nucleoside 3'-O-(2-cyanoethyl-N,N-diisopropylamino)phosphoramidites 7 whereas the phosphorothioate segment was built using nucleoside 3'-O-(2-thio-1,3,2-oxathiaphospholanes)

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