77513-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77513-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,1 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77513-81:
(7*7)+(6*7)+(5*5)+(4*1)+(3*3)+(2*8)+(1*1)=146
146 % 10 = 6
So 77513-81-6 is a valid CAS Registry Number.
77513-81-6Relevant articles and documents
TOTAL SYNTHESIS OF (+/-) ZOAPATANOL: A STEREOSPECIFIC SYNTHESIS OF A KEY INTERMEDIATE
Kane, Vinayak V.,Doyle, Donald L.
, p. 3027 - 3030 (2007/10/02)
The development of a stereospecific synthesis of a key intermediate in the synthesis of (+/-)-zoapatanol from the Weiland-Miescher ketone is described.