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1333502-34-3

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1333502-34-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333502-34-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,5,0 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1333502-34:
(9*1)+(8*3)+(7*3)+(6*3)+(5*5)+(4*0)+(3*2)+(2*3)+(1*4)=113
113 % 10 = 3
So 1333502-34-3 is a valid CAS Registry Number.

1333502-34-3Relevant articles and documents

Z-selective intramolecular Horner-Wadsworth-Emmons reaction for the synthesis of macrocyclic alkenes

Ando, Kaori,Sato, Kaori

, p. 1284 - 1287 (2011/03/22)

The Z-selective intramolecular Horner-Wadsworth-Emmons reaction of the substrates 7-12 (RO)2P(O)CHR′CO2Et (R′ = (CH2)nCHO) (R = Ph or o-tBuC6H4) gives the 13-18-membered cyclic alkenes selectively (up to Z:E = 97:3) in good yields using NaH in THF under high dilution conditions.

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