158568-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158568-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,6 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 158568-84:
(8*1)+(7*5)+(6*8)+(5*5)+(4*6)+(3*8)+(2*8)+(1*4)=184
184 % 10 = 4
So 158568-84-4 is a valid CAS Registry Number.
158568-84-4Relevant articles and documents
Studies on Selective Reductions of Rapamycin
Luengo, Juan I.,Rozamus, Leonard W.,Holt, Dennis A.
, p. 6469 - 6472 (1994)
The reaction of rapamycin (1) with different reductive agents has been studied.As expected, the C14 ketone of the "tricarbonyl" unit is the most electrophilic center in the molecule and could be selectively converted to either the alcohol (Zn/AcOH or DIBA
