196521-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196521-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,5,2 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 196521-10:
(8*1)+(7*9)+(6*6)+(5*5)+(4*2)+(3*1)+(2*1)+(1*0)=145
145 % 10 = 5
So 196521-10-5 is a valid CAS Registry Number.
196521-10-5Relevant articles and documents
The Claisen rearrangement in the aminophenol series
Biglova,Kamalova,Minsker
, p. 513 - 515 (1999)
Novel compounds, dihydropyranylaminophenols, were synthesized by condensation of 3,4-dibromo-4-methyltetrahydropyran with aminophenols followed by the Claisen rearrangement of O-and N-substituted products.