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199257

Sigma-Aldrich

L-(+)-Lactic acid solution

in H2O, ≥85%

Sinónimos:

(S)-(+)-Lactic acid, (S)-2-Hydroxypropionic acid

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About This Item

Fórmula lineal:
CH3CH(OH)CO2H
Número de CAS:
79-33-4
Peso molecular:
90.08
Beilstein/REAXYS Number:
1720251
MDL number:
MFCD00064266
UNSPSC Code:
12161700
PubChem Substance ID:
57647809
NACRES:
NA.25

Quality Level

200

assay

≥85%

optical activity

[α]20/D −13.5°, c = 2.5 in 1.5 M NaOH

concentration

in H2O

refractive index

n20/D 1.427

density

1.206 g/mL at 25 °C

SMILES string

C[C@H](O)C(O)=O

InChI

1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1

InChI key

JVTAAEKCZFNVCJ-REOHCLBHSA-N

Other Notes

Contains varying amounts of intermolecular esterification products
Most salts of L-(+)-lactic acid are levorotatory, hence the negative rotation in NaOH solution.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1C

supp_hazards

EUH071

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
STBG6327
STBG6326
STBG2053V
STBF4271V
STBF1246V

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Lactic acid natural, ≥85%

Sigma-Aldrich

W261114

Lactic acid

Ácido L-(+)-Láctico analytical standard

Supelco

46937

Ácido L-(+)-Láctico

S Walenta et al.
Current medicinal chemistry, 11(16), 2195-2204 (2004-07-29)
A number of studies have demonstrated that malignant transformation is associated with an increase in glycolytic flux and in anaerobic and aerobic cellular lactate excretion. Using quantitative bioluminescence imaging in various primary carcinomas in patients (uterine cervix, head and neck
Franco Valenza et al.
Critical care (London, England), 9(6), 588-593 (2005-12-17)
Lactate measurement in the critically ill has been traditionally used to stratify patients with poor outcome. However, plasma lactate levels are the result of a finely tuned interplay of factors that affect the balance between its production and its clearance.
T Isotalo et al.
BJU international, 88(1), 30-34 (2001-07-12)
To assess whether patients in acute urinary retention from benign prostatic enlargement can be treated with a combined therapy comprising finasteride and a bioabsorbable self-reinforced poly L-lactic acid (SR-PLLA) urethral stent. Fifty-five patients in acute urinary retention were treated as
J K Nicholson et al.
The Biochemical journal, 211(3), 605-615 (1983-06-01)
Spin echo Fourier transform proton n.m.r. spectra of whole blood contain resonances from both erythrocytes and plasma. A large number of well-resolved signals from mobile protons of low-molecular-weight metabolites in plasma and serum have been identified. Spectra from the plasmas
F Commodari et al.
NMR in biomedicine, 4(4), 192-200 (1991-08-01)
1H NMR was used to analyze human cerebrospinal fluid (CSF) from a group of neurological disease controls and from a vitamin B12 deficient patient. The spectra were acquired at either 7.06 or 9.40 T at ambient temperature with CSF freeze
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