78490-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78490-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,9 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78490-19:
(7*7)+(6*8)+(5*4)+(4*9)+(3*0)+(2*1)+(1*9)=164
164 % 10 = 4
So 78490-19-4 is a valid CAS Registry Number.
78490-19-4Relevant articles and documents
Formation of Flavans in Reactions of 4-Hydroxycoumarin with Flavylium Salts
Jurd, Leonard
, p. 429 - 430 (2007/10/02)
4'-Hydroxyflavylium salts react with 4-hydroxycoumarin to form novel flavan derivatives of type 6.