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129436-54-0

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129436-54-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129436-54-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,3 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129436-54:
(8*1)+(7*2)+(6*9)+(5*4)+(4*3)+(3*6)+(2*5)+(1*4)=140
140 % 10 = 0
So 129436-54-0 is a valid CAS Registry Number.

129436-54-0Upstream product

129436-54-0Relevant articles and documents

O-1-(1,3-butadienyl) carbamates as diels-alder dienes: Stereospecific synthesis of (±)-Hernandulcin and congeners

De Cusati, Paul F.,Olofson

, p. 1409 - 1412 (2007/10/02)

The TiCl4-catalyzed addition of the title reactants to vinyl ketones regio- and stereospecifically yields cis-disubs, cyclohexenes which add RMgX stereospecifically to the ketone. A final product in this sequence is the intensely sweet sesquiterpene, hernandulcin.

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