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01-4580

Sigma-Aldrich

Ammonium citrate dibasic

JIS special grade, ≥99.0%

Synonym(s):

Ammonium hydrogencitrate, Citric acid ammonium salt, Diammonium hydrogen citrate

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About This Item

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:
329747289

grade

JIS special grade

vapor density

1.8 (vs air)

Assay

≥99.0%

form

solid

availability

available only in Japan

pH

5.2 (20 °C, 50 g/L)

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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