118793-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118793-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,7,9 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 118793-62:
(8*1)+(7*1)+(6*8)+(5*7)+(4*9)+(3*3)+(2*6)+(1*2)=157
157 % 10 = 7
So 118793-62-7 is a valid CAS Registry Number.
118793-62-7Relevant articles and documents
Synthesis of Premtorin and Its Isomers
Bhardwaj, D. K.,Gupta, A. K.,Jain, A.,Shrawat,V. K.
, p. 261 - 263 (2007/10/02)
The formulation of Premtorin, a tetraoxygenated flavone isolated from Abrus precatorius, as 3'-hydroxy-6,7,4'-trimethoxyflavone (I) has been confirmed by an unambiguous synthesis.Syntheses of isomeric flavones, viz. 4'-hydroxy-6,7,3'-trimethoxyflavone (II
