273205-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 273205-50-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,2,0 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 273205-50:
(8*2)+(7*7)+(6*3)+(5*2)+(4*0)+(3*5)+(2*5)+(1*0)=118
118 % 10 = 8
So 273205-50-8 is a valid CAS Registry Number.
273205-50-8Relevant articles and documents
Superacidic cyclization of all-trans-ω-acetoxyfarnesyl benzyl ether
Kulci?ki, Veaceslav,Ungur, Nicon,Vlad, Pavel F.,Gavagnin, Margherita,Castelluccio, Francesco,Cimino, Guido
, p. 407 - 410 (2000)
The superacidic cyclization of all-trans-ω-acetoxyfarnesyl benzyl ether 2 begins at the internal double bond giving a mixture of diastereomeric monocyclic compounds 5 and 6, prenylated at gem-dimethyl groups.
