475-23-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 475-23-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,7 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 475-23:
(5*4)+(4*7)+(3*5)+(2*2)+(1*3)=70
70 % 10 = 0
So 475-23-0 is a valid CAS Registry Number.
475-23-0Relevant articles and documents
Structure and Odor, VI. - Preparation and Reactions of Longicamphenilone
Weyerstahl,Peter,Krohn,Kerstin
, p. 1125 - 1128 (2007/10/02)
Longicamphenilone (2) can readily be prepared by phase-transfer-catalysed potassium permanganate oxidation of longifolene (1).The ketone 2 is a convenient starting material for the preparation of the fragrance compounds 3 - 6.