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Safety Information

P9003

Sigma-Aldrich

Poly-DL-alanine

mol wt 1,000-5,000

Synonym(s):

Alanine homopolymer

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About This Item

CAS Number:
25281-63-4
MDL number:
MFCD00166369
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24899001
NACRES:
NA.26

form

powder

Quality Level

200

mol wt

1,000-5,000

color

white to off-white

storage temp.

−20°C

SMILES string

CC(N)C(O)=O

InChI

1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)

InChI key

QNAYBMKLOCPYGJ-UHFFFAOYSA-N

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Analysis Note

Molecular weight determined by mass spectrometry

Other Notes

For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

P9003-500MG:
P9003-BULK:
P9003-25MG:
P9003-1G:
P9003-250MG:
P9003-100MG:
P9003-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
SLCL6787
SLCB6476
SLBN3990V
SLBH6331V
SLBB1008V

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Nikolas S Burkoff et al.
Biophysical journal, 102(4), 878-886 (2012-03-06)
Nested sampling is a Bayesian sampling technique developed to explore probability distributions localized in an exponentially small area of the parameter space. The algorithm provides both posterior samples and an estimate of the evidence (marginal likelihood) of the model. The
Boon Chong Goh et al.
The European physical journal. E, Soft matter, 35(4), 9704-9704 (2012-04-25)
By introducing an additional hydrogen bond to hydrogen bond interaction in the force field of the CSAW (Conditioned Self-Avoiding Walk) model, we investigate into the mechanism of antiparallel β-sheet formation based on the folding of a short polyalanine in gas
Per Linse et al.
The journal of physical chemistry. B, 115(39), 11448-11454 (2011-08-24)
A new two-state polymer folding model is proposed, in which the folding of a stiff helical polymer is enabled by allowing for short sequences of coils connecting shorter and separated helices. The folding is driven by short-range attraction energy among
Peter James Baker et al.
Biomacromolecules, 13(4), 947-951 (2012-03-03)
L-alanine ethyl ester was polymerized into poly(L-alanine) (polyAla), one of the insoluble polypeptides, by papain in aqueous buffer at varying pH. At neutral pH, a maximum chain length of 11 repeats was observed. These polymers were dominated by random coiled
Mateusz Marianski et al.
The Journal of chemical physics, 137(4), 044109-044109 (2012-08-03)
We compare the energetic and structural properties of fully optimized α-helical and antiparallel β-sheet polyalanines and the energetic differences between axial and equatorial conformations of three cyclohexane derivatives (methyl, fluoro, and chloro) as calculated using several functionals designed to treat
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