133308-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133308-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,0 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 133308-57:
(8*1)+(7*3)+(6*3)+(5*3)+(4*0)+(3*8)+(2*5)+(1*7)=103
103 % 10 = 3
So 133308-57-3 is a valid CAS Registry Number.
133308-57-3Relevant articles and documents
Synthesis and antirhinovirus activity of cyano and amidino substituted flavanoids
Conti,Desideri,Orsi,Sestili,Stein
, p. 725 - 730 (2007/10/02)
Cyano and amidino flavans, isoflavans and 3(2H)-isoflavenes were synthesized in order to study their in vitro antirhinovirus activity, by comparison with the known corresponding chloro derivatives. The activity of the new compounds was evaluated on rhinov
