107692-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107692-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,9 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 107692-19:
(8*1)+(7*0)+(6*7)+(5*6)+(4*9)+(3*2)+(2*1)+(1*9)=133
133 % 10 = 3
So 107692-19-3 is a valid CAS Registry Number.
107692-19-3Relevant articles and documents
A STEREOSELECTIVE SYNTHESIS OF THE C-15 TO C-20 SEGMENT OF RIFAMYCIN-S
Rama Rao, A. V.,Yadav, J. S.,Srinivasa Rao, C.
, p. 3297 - 3298 (2007/10/02)
A convenient method has been described for the stereoselective construction of 5-substituted-2-methyl-2Z,4E-pentadienoic acid, present in the ansa bridge of rifamycin-S.