256514-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256514-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,5,1 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 256514-83:
(8*2)+(7*5)+(6*6)+(5*5)+(4*1)+(3*4)+(2*8)+(1*3)=147
147 % 10 = 7
So 256514-83-7 is a valid CAS Registry Number.
256514-83-7Relevant academic research and scientific papers
Synthesis of [2-13C]-oleanolic acid and [2-13C]- myricerone
Konoike, Toshiro,Takahashi, Kazuhiro,Kitaura, Yoji,Kanda, Yasuhiko
, p. 14901 - 14914 (2007/10/03)
Synthetic way for 13C-labeled oleanolic acid 1 and myricerone 2 has been developed, starting from the parent 1 and 2. The procedure involves ring opening and closure of the A rings of these oleanane triterpenes. 13C was introduced in