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1283115-84-3

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1283115-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1283115-84-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,3,1,1 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1283115-84:
(9*1)+(8*2)+(7*8)+(6*3)+(5*1)+(4*1)+(3*5)+(2*8)+(1*4)=143
143 % 10 = 3
So 1283115-84-3 is a valid CAS Registry Number.

1283115-84-3Relevant academic research and scientific papers

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

Ando, Kaori,Sato, Kaori

, p. 1284 - 1287 (2011)

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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