274693-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 274693-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,6,9 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 274693-87:
(8*2)+(7*7)+(6*4)+(5*6)+(4*9)+(3*3)+(2*8)+(1*7)=187
187 % 10 = 7
So 274693-87-7 is a valid CAS Registry Number.
274693-87-7Relevant articles and documents
Enantioselective synthesis of the C14-C25 portion of the cytotoxic natural product, amphidinolide B1
Lee, Duck-Hyung,Rho, Man-Dong
, p. 2573 - 2576 (2000)
The C14-C25 portion of the cytotoxic natural product, amphidinolide B1 (1), was synthesized enantioselectively using Myers asymmetric alkylation protocol, epoxide opening with higher order cuprate, Sharpless asymmetric epoxidation of allylic alcohol 17, a