75328-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75328-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,2 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75328-81:
(7*7)+(6*5)+(5*3)+(4*2)+(3*8)+(2*8)+(1*1)=143
143 % 10 = 3
So 75328-81-3 is a valid CAS Registry Number.
75328-81-3Relevant academic research and scientific papers
Synthesis of 1-Phenyl-3-aryl-benzofuranopyrazoles
Joshi, M. G.,Wadokar, K. N.
, p. 930 - 931 (2007/10/02)
Iodination of o-aroyloxyacetophenones (Ia-f) with iodine monochloride in acetic acid affords ω-iodo-2-aroyloxy-acetophenones (IIa-f) which on base catalysed Baker-Venkataraman transformation afford 2-aroylcoumaran-3-ones (IIIa-f).Compounds (IIIa-f) on ref
