147833-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147833-04-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,8,3 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 147833-04:
(8*1)+(7*4)+(6*7)+(5*8)+(4*3)+(3*3)+(2*0)+(1*4)=143
143 % 10 = 3
So 147833-04-3 is a valid CAS Registry Number.
147833-04-3Relevant articles and documents
The Seleno-acetal Route to 1α-Hydroxy-vitamin D Analogues: Synthesis of 24-Oxa-1α-hydroxy-vitamin D3, A Useful Vitamin D Metabolism Probe
Calverley, Martin J.,Strugnell, Stephen,Jones, Glenville
, p. 739 - 746 (2007/10/02)
Alkylation of the lithio-demethylseleno-derivative of seleno-acetal 11 with chloromethyl isopropyl ether is the key reaction in the synthesis of the 24-oxa analogue (M