84757-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84757-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,5 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84757-51:
(7*8)+(6*4)+(5*7)+(4*5)+(3*7)+(2*5)+(1*1)=167
167 % 10 = 7
So 84757-51-7 is a valid CAS Registry Number.
84757-51-7Relevant articles and documents
Synthesis of 5-Hydroxy-3,7,8,2',4'-pentamethoxyflavone
Pathak, V. P.,Khanna, R. N.
, p. 891 - 892 (2007/10/02)
The title flavone (II) has been synthesised starting from 2'-hydroxy-2,4,4',6'-tetramethoxychalkone (VII).VII on treatment with H2O2 in the presence of alkali gives 3-hydroxy-5,7,2',4'-tetramethoxyflavone (III), which on methylation affords 3,5,7,2',4'-pe
