117567-53-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117567-53-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,5,6 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117567-53:
(8*1)+(7*1)+(6*7)+(5*5)+(4*6)+(3*7)+(2*5)+(1*3)=140
140 % 10 = 0
So 117567-53-0 is a valid CAS Registry Number.
117567-53-0Relevant articles and documents
DIRECT CONVERSION OF TETRAHYDROPYRANYLATED ALCOHOLS TO THE CORRESPONDING BROMIDES
Wagner, A.,Heitz, M.-P.,Mioskowski, C.
, p. 557 - 558 (2007/10/02)
Various tetrahydro-2 pyranyl protected alcohols are converted into the corresponding bromides by PPh3/CBr4, with inversion of configuration, and high in yield.