499977-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 499977-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,9,7 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 499977-99:
(8*4)+(7*9)+(6*9)+(5*9)+(4*7)+(3*7)+(2*9)+(1*9)=270
270 % 10 = 0
So 499977-99-0 is a valid CAS Registry Number.
499977-99-0Relevant articles and documents
Total synthesis of coleophomone D
Nicolaou,Montagnon, Tamsyn,Vassilikogiannakis, Georgios
, p. 2478 - 2479 (2007/10/03)
A concise total synthesis of coleophomone D that exists as a dynamic mixture of four isomeric compounds, using a strategy based on a benzoyl cyanide coupling reaction to assemble the key tricarbonyl motif, is reported.
