831239-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 831239-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,1,2,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 831239-05:
(8*8)+(7*3)+(6*1)+(5*2)+(4*3)+(3*9)+(2*0)+(1*5)=145
145 % 10 = 5
So 831239-05-5 is a valid CAS Registry Number.
831239-05-5Relevant articles and documents
The total synthesis of bistratamides F-I
You, Shu-Li,Kelly, Jeffery W.
, p. 241 - 249 (2007/10/03)
The total synthesis of bistratamides F-I (2-5) have been achieved in overall yields of 3, 10, 13, and 27%, respectively. The thiazole substructure was prepared utilizing a MnO2 oxidation of a thiazoline, synthesized from a Val-Cys dipeptide usi
