Cas 129196-70-9,1-((E)-3-Phenylsulfanyl-1-vinyl-allyl)-cyclopentanol

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Check Digit Verification of cas no

The CAS Registry Mumber 129196-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,9 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129196-70:
(8*1)+(7*2)+(6*9)+(5*1)+(4*9)+(3*6)+(2*7)+(1*0)=149
149 % 10 = 9
So 129196-70-9 is a valid CAS Registry Number.

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129196-70-9Relevant academic research and scientific papers

Regiochemistry and stereochemistry of the coupling of phenylthiopentadienyl metals with C-electrophiles

Florio,Ronzini,Sgarra

, p. 2327 - 2330 (1990)

Phenylthiopentadienyl anions 2 couple with MeI and cyclopentanone either regioselectively and stereoselectively to give 3a and 4a respectively. With aldehydes the regiochemistry and stereochemistry is affected by the counterion of 2, furnishing α-, γ- or

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