57733-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57733-85-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,3 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57733-85:
(7*5)+(6*7)+(5*7)+(4*3)+(3*3)+(2*8)+(1*5)=154
154 % 10 = 4
So 57733-85-4 is a valid CAS Registry Number.
57733-85-4Relevant articles and documents
POLYMETHYLATION OF ORGANOCHLOROSILANES
Podol'skii, A. V.,Khonina, T. G.,Lyampasova, T. P.,Kodess, M. I.
, p. 1476 - 1480 (2007/10/03)
Polychloromethylation of Me3SiCl, Me2PhSiCl, Me2SiCl2, and MePhSiCl2 in the system magnesium-chloroform-THF has been studies under mild conditions (in the temperature renge 60 -65 deg C), and a scheme of formation of the main and by-products has been proposed.