131669-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131669-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,6 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131669-83:
(8*1)+(7*3)+(6*1)+(5*6)+(4*6)+(3*9)+(2*8)+(1*3)=135
135 % 10 = 5
So 131669-83-5 is a valid CAS Registry Number.
131669-83-5Relevant articles and documents
Peptidic α-hydroxy phosphinyls C-terminal modification methodology
Patel, Dinesh V.,Rielly-Gauvin, Katherine,Ryono, Denis E.
, p. 5591 - 5594 (1990)
Compound 4 is a suitable intermediate for making C-terminal mortifications of the transition state mimicking "α-hydroxy-phosphinyl" moiety. Its preparmion and application are described.