91497-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91497-16-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,9 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91497-16:
(7*9)+(6*1)+(5*4)+(4*9)+(3*7)+(2*1)+(1*6)=154
154 % 10 = 4
So 91497-16-4 is a valid CAS Registry Number.
91497-16-4Relevant articles and documents
Synthesis of 6-Methoxyisopongaglabol
Arora, Usha
, p. 373 - 374 (2007/10/02)
4'-Hydroxy-6-methoxyfuranoflavone (II: 6-methoxyisopongaglabol) has been synthesized starting from 4-allyloxy-2-hydroxy-5-methoxyacetophenone (III).Compound III on esterification with p-benzyloxybenzoyl chloride followed by Baker's migration