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158568-84-4

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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.

158568-84-4Upstream product

158568-84-4Relevant academic research and scientific papers

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

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