154185-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154185-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,1,8 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 154185-52:
(8*1)+(7*5)+(6*4)+(5*1)+(4*8)+(3*5)+(2*5)+(1*2)=131
131 % 10 = 1
So 154185-52-1 is a valid CAS Registry Number.
154185-52-1Relevant 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