82707-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82707-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,0 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 82707-09:
(7*8)+(6*2)+(5*7)+(4*0)+(3*7)+(2*0)+(1*9)=133
133 % 10 = 3
So 82707-09-3 is a valid CAS Registry Number.
82707-09-3Relevant articles and documents
ASSEMBLY OF THE C19-C29 ALIPHATIC SEGMENT OF RIFAMYCIN S FROM D-DLUCOSE BY THE CHIRON APPROACH
Hanessian, Stephen,Pougny, Jean-Rene,Boessenkool, Ideletta K.
, p. 1289 - 1302 (2007/10/02)
We describe a stereocontrolled method for the construction of the aliphatic chain of rifamycin S, based on a strategy that utilizes carbohydrates as optically active precursors.