1339338-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1339338-97-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,9,3,3 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1339338-97:
(9*1)+(8*3)+(7*3)+(6*9)+(5*3)+(4*3)+(3*8)+(2*9)+(1*7)=184
184 % 10 = 4
So 1339338-97-4 is a valid CAS Registry Number.
1339338-97-4Relevant articles and documents
Synthesis of NP25302
Stevens, Kiri,Tyrrell, Andrew J.,Skerratt, Sarah,Robertson, Jeremy
, p. 5964 - 5967 (2012/01/06)
An efficient synthesis of NP25302 is presented that relies on 5-endo-dig N-cyclization to establish the bicyclic core and Curtius rearrangement to install the N-acyl vinylogous urea functionality.
