1355951-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1355951-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,9,5 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1355951-99:
(9*1)+(8*3)+(7*5)+(6*5)+(5*9)+(4*5)+(3*1)+(2*9)+(1*9)=193
193 % 10 = 3
So 1355951-99-3 is a valid CAS Registry Number.
1355951-99-3Relevant articles and documents
Enantioselective total syntheses of communesins A and B
Zuo, Zhiwei,Ma, Dawei
, p. 12008 - 12011 (2011)
As easy as A, B: The first total syntheses of (-)-communesins A and B (see picture) were achieved, which featured the formation of their spiro-fused indoline part through an intramolecular oxidative coupling and of their A ring through a cascade reaction.
