958828-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 958828-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,8,8,2 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 958828-21:
(8*9)+(7*5)+(6*8)+(5*8)+(4*2)+(3*8)+(2*2)+(1*1)=232
232 % 10 = 2
So 958828-21-2 is a valid CAS Registry Number.
958828-21-2Relevant 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