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91078-09-0

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91078-09-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91078-09-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,7 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91078-09:
(7*9)+(6*1)+(5*0)+(4*7)+(3*8)+(2*0)+(1*9)=130
130 % 10 = 0
So 91078-09-0 is a valid CAS Registry Number.

91078-09-0Relevant articles and documents

SYNTHESIS OF (+/-)-PHASEOLLIN; A PROTECTIVE SEQUENCE FOR CHROMEN DOUBLE BONDS

Thomas, Phillip,Whiting, Donald A.

, p. 1099 - 1102 (1984)

(+/)-Phaseollin, an important phytoalexin, has been synthesised, using as key step thallium III induced rearrangement of chromenochalcone (6) and proceeding via (8).The chromene double bond can be efficiently protected from thalliation by regioselective radical addition of thiophenol.An alternative route to phaseollin is given, through (12)-(14)-(1), with regeneration of the double bond by pyrolysis of the sulphoxide of (15).

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