919116-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 919116-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,9,1,1 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 919116-91:
(8*9)+(7*1)+(6*9)+(5*1)+(4*1)+(3*6)+(2*9)+(1*1)=179
179 % 10 = 9
So 919116-91-9 is a valid CAS Registry Number.
919116-91-9Relevant articles and documents
Synthesis of pipecolic acid and baikiain
Chang, Meng-Yang,Kung, Yung-Hua,Wu, Tsun-Chang
, p. 2365 - 2373 (2007/10/03)
A straightforward synthesis of pipecolic acid and baikiain was achieved from trans-(2S,4R)-4-hydroxyproline via the key steps of regioselective Baeyer-Villiger reaction. and ring-closing metathesis.