880134-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 880134-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,1,3 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 880134-90:
(8*8)+(7*8)+(6*0)+(5*1)+(4*3)+(3*4)+(2*9)+(1*0)=167
167 % 10 = 7
So 880134-90-7 is a valid CAS Registry Number.
880134-90-7Relevant articles and documents
Facile synthesis of 2,2′-dialkylated 4,4′-oxybiphenols
Maeyama, Katsuya,Fujiwara, Yasushi,Nishimuro, Makiya,Yoshida, Yasuhiko,Yonezawa, Noriyuki
, p. 603 - 609 (2007/10/03)
2,2′-Alkyl-disubstituted 4,4′-oxybiphenols (4) were prepared in good yields through esterification of 4,4′-oxybiphenol (1), AlCl 3-promoted Fries rearrangement, and AlCl3/NaBH 4-promoted reduction reaction. Copyright Taylo
