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87727-93-3

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87727-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87727-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,2 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87727-93:
(7*8)+(6*7)+(5*7)+(4*2)+(3*7)+(2*9)+(1*3)=183
183 % 10 = 3
So 87727-93-3 is a valid CAS Registry Number.

87727-93-3Relevant articles and documents

Synthesis of Aromatic Modified Prostaglandins from PGA2

Cai, Zuyun,Nassium, Bahman,Crabbe, Pierre

, p. 1573 - 1578 (2007/10/02)

A general synthetic scheme, starting from PGA2 (obtained from the marine coral Plexaura homomalla), of prostaglandins modified in the upper chain is detailed.Key aldehyde intermediates have been secured from 11-deoxy-PGF2α and PGF2α by an efficient regioselective hydroxylation procedure followed by cleavage of the 5,6-double bond.Witting reaction with these aldehydes provided the novel prostaglandins (5)-(8), belonging to the E and F families, and containing an aromatic ring in the upper chain.

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