129308-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129308-97-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,0 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129308-97:
(8*1)+(7*2)+(6*9)+(5*3)+(4*0)+(3*8)+(2*9)+(1*7)=140
140 % 10 = 0
So 129308-97-0 is a valid CAS Registry Number.
129308-97-0Relevant academic research and scientific papers
Perevalov, V. P.,Manaev, Yu. A.,Bezborodov, B. V.,Stepanov, B. I.
, p. 301 - 303 (1990)
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.
