92757-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 92757-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,7,5 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 92757-66:
(7*9)+(6*2)+(5*7)+(4*5)+(3*7)+(2*6)+(1*6)=169
169 % 10 = 9
So 92757-66-9 is a valid CAS Registry Number.
92757-66-9Relevant articles and documents
Synthesis of 2,3-disubstituted-6-chromones of potential medicinal interest
Singh, O. V.,Sangeeta,Khanna, M. S.,Garg, C. P.,Kapoor, R. P.,et al.
, p. 1241 - 1248 (2007/10/02)
The title compounds (12-19) have been synthesized by the condensation of 2,3-disubstituted-6-chromones (8-11) with hydrazine hydrate in the presence of formic or acetic acid.Their structures have been elucidated on the basis o