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129249-30-5

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129249-30-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129249-30-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,4 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129249-30:
(8*1)+(7*2)+(6*9)+(5*2)+(4*4)+(3*9)+(2*3)+(1*0)=135
135 % 10 = 5
So 129249-30-5 is a valid CAS Registry Number.

129249-30-5Relevant articles and documents

Tandem nucleophilic substitution-1,3-dipolar cycloaddition reactions of oximes with alkyl halides and dipolarophiles

Grigg, Ronald,Markandu, Jasothara,Surendrakumar, Sivagnanasundram

, p. 1191 - 1194 (2007/10/02)

Inter-or intra-molecular N-alkylation of oximes or their alkali metal salts furnishes nitrones which can be trapped by activated and non-activated dipolarophiles in inter- and intra-molecular cycloaddition reactions in good yield.

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