134284-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134284-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,8 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134284-57:
(8*1)+(7*3)+(6*4)+(5*2)+(4*8)+(3*4)+(2*5)+(1*7)=124
124 % 10 = 4
So 134284-57-4 is a valid CAS Registry Number.
134284-57-4Relevant articles and documents
SYNTHESIS OF STERICALLY HINDERED AROMATIC DIALDEHYDES
Yakubov, A. P.,Tsyganov, D. V.,Belen'kii, L. I.,Krayushkin, M. M.
, p. 1509 - 1512 (2007/10/02)
A study was carried out on the formylation of a series of aromatic compounds containing two mesitylene or durene residues dimesityl (I), dimesitylmethane (II), 1,2-dimesitylethane (III), 1,6-dimesitylhexane (IV), dimesityl sulfide (V), 1,1-dimesitylethyl
