73443-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73443-67-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,4 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73443-67:
(7*7)+(6*3)+(5*4)+(4*4)+(3*3)+(2*6)+(1*7)=131
131 % 10 = 1
So 73443-67-1 is a valid CAS Registry Number.
73443-67-1Relevant academic research and scientific papers
Novel benzothiopyran derivatives
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, (2008/06/13)
Novel benzothiopyran derivatives of the general formula STR1 in which R is free, esterified or amidated carboxyl or free or etherified hydroxymethyl, Ph is 1,2-phenylene which contains the group R--CO--NR3 -- and can be substituted, X is a grou
