1309875-93-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309875-93-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,8,7 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1309875-93:
(9*1)+(8*3)+(7*0)+(6*9)+(5*8)+(4*7)+(3*5)+(2*9)+(1*3)=191
191 % 10 = 1
So 1309875-93-1 is a valid CAS Registry Number.
1309875-93-1Relevant articles and documents
Oxime derivatives as α-electrophiles. from α-tetralone oximes to tetracyclic frameworks
Quiclet-Sire, Beatrice,Toelle, Nina,Zafar, Syeda Nahid,Zard, Samir Z.
, p. 3266 - 3269 (2011/08/05)
When subjected to the conditions of a Semmler-Wolff/Schroeter aromatization, the oximes of 4-benzyl-substituted tetralones undergo an electrophilic aromatic substitution reaction to form tetracyclic frameworks.