133357-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133357-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,5 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133357-48:
(8*1)+(7*3)+(6*3)+(5*3)+(4*5)+(3*7)+(2*4)+(1*8)=119
119 % 10 = 9
So 133357-48-9 is a valid CAS Registry Number.
133357-48-9Relevant articles and documents
EMEHETERONE: SYNTHESIS AND STRUCTURAL REVISION
Ohta, Akihiro,Kojima, Akihiko,Aoyagi, Yutaka
, p. 1655 - 1662 (2007/10/02)
Emeheterone, a fungal metabolite, was synthesized from DL-phenylalanine.Based on the results of this synthesis, the structure of emeheterone was redetermined as 3,6-dibenzyl-2-hydroxy-5-methoxypyrazine 4-oxide.
