123077-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123077-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,0,7 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 123077-72:
(8*1)+(7*2)+(6*3)+(5*0)+(4*7)+(3*7)+(2*7)+(1*2)=105
105 % 10 = 5
So 123077-72-5 is a valid CAS Registry Number.
123077-72-5Relevant articles and documents
Synthesis of (-)-Biopterin
Mori, Kenji,Kikuchi, Haruhiko
, p. 963 - 968 (2007/10/02)
The synthesis of (-)-biopterin (1) was accomplished by employing (1S,2S)-1-(2-furyl)-2-(trityloxy)-1-propanol (6), derived from ethyl (S)-lactate, as building block for the side chain.
