98315-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98315-09-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,1 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98315-09:
(7*9)+(6*8)+(5*3)+(4*1)+(3*5)+(2*0)+(1*9)=154
154 % 10 = 4
So 98315-09-4 is a valid CAS Registry Number.
98315-09-4Relevant articles and documents
Synthesis of the dioxabicyclononane unit of tirandamycin
Kelly,Chandrakumar,Cutting,et al.
, p. 2173 - 2176 (2007/10/02)
A seven-step synthesis of (±)-3b, an advanced, common intermediated for construction of the dioxabicyclononane units of both tirandamycin and streptolydigin is described. Conversion of 3b to the fully developed fragment of tirandamycin is also reported.