335418-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 335418-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,5,4,1 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 335418-97:
(8*3)+(7*3)+(6*5)+(5*4)+(4*1)+(3*8)+(2*9)+(1*7)=148
148 % 10 = 8
So 335418-97-8 is a valid CAS Registry Number.
335418-97-8Relevant articles and documents
Modified coumarins. 6. Synthesis of substituted 5,6-benzopsoralens
Garazd,Ogorodniichuk,Garazd,Khilya
, p. 424 - 433 (2007/10/03)
Substituted 5H-benzo[c]furo[3,2-g]chromen-5-ones, modified analogs of psoralen that contain a benzene ring annelated at the 5,6-position of a furo[3,2-g]chromen-7-one system, were synthesized from 3-hydroxy-6H-benzo[c] chromen-6-ones.