500204-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500204-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,2,0 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 500204-97:
(8*5)+(7*0)+(6*0)+(5*2)+(4*0)+(3*4)+(2*9)+(1*7)=87
87 % 10 = 7
So 500204-97-7 is a valid CAS Registry Number.
500204-97-7Relevant articles and documents
Modified coumarins. 15. Condensed psoralen derivatives based on substituted dibenzo[b,d]pyran-6-ones
Garazd,Garazd,Khilya
, p. 535 - 540 (2007/10/03)
Benzo[c]furo[3,2-g]chromen-5-ones, modified psoralen analogs containing a substituted benzene ring annelated at the 5,6-position of the furo[3,2-g]chromen-7-one system, were prepared by the MacLeod method. 2004 Springer Science + Business Media, Inc.
