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PHR1030

Supelco

Tocopheryl Acetate, a

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

DL-α-Tocopherol acetate, Vitamin E acetate, all-rac-α-Tocopheryl acetate

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About This Item

Empirical Formula (Hill Notation):
C31H52O3
CAS Number:
7695-91-2
Molecular Weight:
472.74
Beilstein/REAXYS Number:
97512
EC Number:
231-710-0
MDL number:
MFCD00072042
UNSPSC Code:
41116107
PubChem Substance ID:
329823060

grade

certified reference material
pharmaceutical secondary standard

Quality Level

300

agency

traceable to Ph. Eur. T1600000
traceable to USP 1667701

API family

tocopherol

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

density

0.96 g/mL at 20 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

CC(C)CCC[C@@H](C)CCC[C@@H](C)CCC[C@]1(C)CCc2c(C)c(OC(C)=O)c(C)c(C)c2O1

InChI

1S/C31H52O3/c1-21(2)13-10-14-22(3)15-11-16-23(4)17-12-19-31(9)20-18-28-26(7)29(33-27(8)32)24(5)25(6)30(28)34-31/h21-23H,10-20H2,1-9H3/t22-,23-,31-/m1/s1

InChI key

ZAKOWWREFLAJOT-CEFNRUSXSA-N

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General description

Certified pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to pharmacopeia primary standards

Application

α-Tocopheryl acetate may be used as an internal standard in the determination of α-tocopherol in human serum or plasma samples using high performance chromatography (HPLC). It may also be used pharmaceutical reference standard for the quantification of the analyte in pharmaceutical formulations using spectrophotometric technique.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAC1696 in the slot below. This is an example certificate only and may not be the lot that you receive.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

No data available

flash_point_c

No data available

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
LRAD4060
LRAD0192
LRAD0192
LRAC1696
LRAB3630

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If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

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SAFC

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Alpha Tocopherol United States Pharmacopeia (USP) Reference Standard

USP

1667600

Alpha Tocopherol

A routine method for the simultaneous measurement of retinol, ?-tocopherol and five carotenoids in human plasma by reverse phase HPLC
Talwar D, et al.
Clinica Chimica Acta; International Journal of Clinical Chemistry, 270, 85-100 (1998)
Simultaneous determination of retinol and alpha-tocopherol in serum or plasma by liquid chromatography
Catignani LG and Bieri GJ
Clinical Chemistry, 29, 708-712 (1983)
Flow injection spectrophotometric determination of vitamin E in pharmaceuticals, milk powder and blood serum using potassium ferricyanide-Fe (III) detection system
Jadoon S, et al.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 21(6), 712-715 (2010)
Adis Tasanarong et al.
Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 28(2), 337-344 (2013-01-15)
Contrast-induced acute kidney injury (CI- AKI) increases the likelihood of patient morbidity and mortality following coronary procedures. Volume supplement with saline is the standard treatment to prevent CI-AKI. Additional antioxidant prophylaxis has often yielded conflicting results. The present study was
Yin Yin Thoo et al.
Food chemistry, 138(2-3), 1215-1219 (2013-02-16)
The synergistic antioxidant effects of ethanolic extracts of Centella asiatica (CE), and α-tocopherol have been studied. The types of interactions exhibited by CE and α-tocopherol combined at different ratios were measured using three assays: 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) diammonium salt (ABTS) radical-scavenging
View All Related Papers

Protocols

HPLC Analysis of Fat-Soluble Vitamins on Ascentis® Express C18, Methanol Mobile Phase

Separation of Retinyl acetate, analytical standard; δ-Tocopherol, analytical standard; Ergocalciferol (D2), analytical standard; Cholecalciferol (D3), analytical standard; (±)-α-Tocopherol, analytical standard; Vitamin E acetate, analytical standard; Phylloquinone (K1), analytical standard; Retinol palmitate, analytical standard.

HPLC Analysis of Fat Soluble Vitamins on Ascentis® Express RP-Amide, Acetonitrile Mobile Phase

Separation of Retinyl acetate, analytical standard; Vitamin E acetate, analytical standard; Phylloquinone (K1), analytical standard; Ergocalciferol (D2), analytical standard; Cholecalciferol (D3), analytical standard; (±)-α-Tocopherol, analytical standard; δ-Tocopherol, analytical standard; Retinol palmitate, analytical standard

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