84703-27-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84703-27-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,0 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84703-27:
(7*8)+(6*4)+(5*7)+(4*0)+(3*3)+(2*2)+(1*7)=135
135 % 10 = 5
So 84703-27-5 is a valid CAS Registry Number.
84703-27-5Relevant academic research and scientific papers
CHLORINATION OF 1,5-DIMETHYLPYRAZOLE
Perevalov, V. P.,Manaev, Yu. A.,Bezborodov, B. V.,Stepanov, B. I.
, p. 301 - 303 (2007/10/02)
The chlorination of 1,5-dimethylpyrazole by gaseous chlorine in acetic acid in the presence of sodium acetate affords 1-methyl-3,4-dichloro-5-(dichloromethyl)pyrazole, which is subsequently converted to the 5-(trichloromethyl) derivative.
