170951-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170951-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,9,5 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 170951-67:
(8*1)+(7*7)+(6*0)+(5*9)+(4*5)+(3*1)+(2*6)+(1*7)=144
144 % 10 = 4
So 170951-67-4 is a valid CAS Registry Number.
170951-67-4Relevant articles and documents
Rearrangement of Allyl Aryl Ethers I. Reaction of Hydroquinone with Conjugated Dien-ols and Trien-ol
Novak, L.,Pirok, Gy.,Kovacs, P.,Kolonits, P.,Szantay, Cs.
, p. 9367 - 9374 (1995)
Thermal rearrangement of ethers 3 generated in situ from hydroquinone 1 and conjugated polyen-ols 2 afforded 2,3-dihydrobenzofuranols 5, 8 and 10 with 1,3- and/or 3,5-shifts followed by acid-catalyzed intramolecular cyclization.
