161970-73-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161970-73-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,7 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 161970-73:
(8*1)+(7*6)+(6*1)+(5*9)+(4*7)+(3*0)+(2*7)+(1*3)=146
146 % 10 = 6
So 161970-73-6 is a valid CAS Registry Number.
161970-73-6Relevant articles and documents
An Asymmetric Synthesis of Novel Aminocyclopropyl Carboxylic Acids (ACC)
Es-Sayed, Mazen,Devine, Paul,Burgess, Laurence E.,Meijere, Armin de,Meyers, A. I.
, p. 141 - 142 (2007/10/02)
Cyclopropanation of chiral bicyclic lactams 2 followed by removal of the chiral auxiliary and a Curtius rearrangement leads to the title compounds in >99percent e.e.