195727-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195727-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,7,2 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 195727-70:
(8*1)+(7*9)+(6*5)+(5*7)+(4*2)+(3*7)+(2*7)+(1*0)=179
179 % 10 = 9
So 195727-70-9 is a valid CAS Registry Number.
195727-70-9Relevant articles and documents
Synthesis of (-)-Pseudoconhydrine through Ring Enlargement of a L-Proline Derivative
Cossy, Janine,Dumas, Cécile,Pardo, Domingo Gomez
, p. 905 - 906 (2007/10/03)
A short synthesis of (-)-pseudoconhydrine is described from L-proline by using a ring enlargement reaction.