101639-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101639-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,6,3 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101639-89:
(8*1)+(7*0)+(6*1)+(5*6)+(4*3)+(3*9)+(2*8)+(1*9)=108
108 % 10 = 8
So 101639-89-8 is a valid CAS Registry Number.
101639-89-8Relevant articles and documents
MODEL STUDIES FOR THE TOTAL SYNTHESIS OF THE MAYTANSINOIDS BASED ON THE INTRAMOLECULAR NITRILE OXIDE-OLEFIN CYCLOADDITION REACTION
Ko, Soo Sung,Confalone, Pat N.
, p. 3511 - 3518 (2007/10/02)
The macrocyclization of the olefinic nitrile oxide 30 to the ansa-macrolide skeleton 37, a model for a novel approach to the maytansinoids, is described.