17579-99-6 Usage
Chemical Properties
Yellow-Brownish Solid
Uses
Different sources of media describe the Uses of 17579-99-6 differently. You can refer to the following data:
1. Methyltriphenoxyphosphonium Iodide is used in the transformation of the 5’-hydroxyl group in nucleosides to the 5’-deoxy-5’-iodo group.
2. Used in the transformation of the 5′-hydroxyl group in nucleosides to the 5′-deoxy-5′-iodo group.
3. Methyltriphenoxyphosphonium Iodide is used in the transformation of the 5?hydroxyl group in nucleosides to the 5?deoxy-5?iodo group
Purification Methods
Gently heat the impure iodide with good grade Me2CO. The saturated solution obtained is decanted rapidly from undissolved salt and treated with an equal volume of dry Et2O. The iodide separates as flat needles which are collected by centrifugation, washed several times with dry Et2O, and dried in a vacuum over P2O5. For this recrystallisation it is essential to minimise the time of contact with Me2CO and to work rapidly and with rigorous exclusion of moisture. If the crude material is to be used, it should be stored under dry Et2O, and dried and weighed in vacuo immediately before use. [Landauer & Rydon J Chem Soc 224 1953, Hudson et al. J Chem Soc Perkin Trans 1 982 1974, Beilstein 6 IV 704.]
Check Digit Verification of cas no
The CAS Registry Mumber 17579-99-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,7 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17579-99:
(7*1)+(6*7)+(5*5)+(4*7)+(3*9)+(2*9)+(1*9)=156
156 % 10 = 6
So 17579-99-6 is a valid CAS Registry Number.
InChI:InChI=1/C19H18O3P/c1-23(20-17-11-5-2-6-12-17,21-18-13-7-3-8-14-18)22-19-15-9-4-10-16-19/h2-16H,1H3/q+1
