42771-08-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42771-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,7 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42771-08:
(7*4)+(6*2)+(5*7)+(4*7)+(3*1)+(2*0)+(1*8)=114
114 % 10 = 4
So 42771-08-4 is a valid CAS Registry Number.
42771-08-4Relevant academic research and scientific papers
CHLORINATION OF 4-tert-ALKYL-o-XYLENES
Pozdnyakovich, Yu. V.,Borodovitsyn, V. V.,Shein, S. M.
, p. 138 - 141 (2007/10/02)
The chlorination of 4-tert-butyl-o-xylene and tert-amyl-o-xylene with chlorine and sulfuryl chloride leads to the formation of the products from substitution of the hydrogen atoms at positions 3, 5, and 6 and the tert-alkyl groups at position 4 of the benzene ring.
