84817-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84817-82-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,1 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 84817-82:
(7*8)+(6*4)+(5*8)+(4*1)+(3*7)+(2*8)+(1*2)=163
163 % 10 = 3
So 84817-82-3 is a valid CAS Registry Number.
84817-82-3Relevant articles and documents
The Favorskii-type Rearrangement of 3-Bromo-β-ionone with Sodium Ethoxide
Nanasawa, Masato,Kamogawa, Hiroyoshi
, p. 3655 - 3656 (1982)
The reaction of 3-bromo-β-ionone with sodium ethoxide afforded ethyl 4-(2,6,6-trimethyl-2-cyclohexenylidene)butyrate by a Favorskii-type rearrangement, accompanied by double-bond migration, while with sodium phenoxide or diethyl amine, substitution produc