23038-58-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23038-58-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,0,3 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23038-58:
(7*2)+(6*3)+(5*0)+(4*3)+(3*8)+(2*5)+(1*8)=86
86 % 10 = 6
So 23038-58-6 is a valid CAS Registry Number.
23038-58-6Relevant articles and documents
Vilsmeier Reaction Route to 4-Methylisophthalaldehyde
Sreenivasulu, M.,Rao, G. S. Krishna
, p. 581 - 582 (2007/10/02)
The formation of 4-methylisophthalaldehyde (II) from 4-methyl-3-penten-2-ol (IV) on Vilsmeier reaction is described and the mechanism of its formation presented.