138433-78-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138433-78-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,3 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138433-78:
(8*1)+(7*3)+(6*8)+(5*4)+(4*3)+(3*3)+(2*7)+(1*8)=140
140 % 10 = 0
So 138433-78-0 is a valid CAS Registry Number.
138433-78-0Relevant articles and documents
Rapid synthesis of 5-O-(tert-butyldiphenylsilyl)-2-deoxy-L-ribonolactone
Sharma,Marquez
, p. 1937 - 1945 (2007/10/02)
A convenient, four-step synthesis of the title compound (1) in 21% overall yield from L-arabinose is described. Selective formation of the 2-O-phenoxythiocarbonyl derivative 6 and its tributyltin hydride/azobis(isobutyronitrile) deoxygenation performed in