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96933-21-0

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96933-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 96933-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,9,3 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 96933-21:
(7*9)+(6*6)+(5*9)+(4*3)+(3*3)+(2*2)+(1*1)=170
170 % 10 = 0
So 96933-21-0 is a valid CAS Registry Number.

96933-21-0Relevant articles and documents

Diethoxymethyl: A useful nitrogen-protecting group for lactams and amides

Gmeiner,Bollinger

, p. 168 - 170 (2007/10/02)

Treatment of the lactams 3a-e and the amide 3f with triethyl orthoformate leads to the N-diethoxymethyl substituted derivatives 4a-f. Additionally, the indolinones 3a and 3b can react at the lactam α-position to give the reaction products 2 and 5, respectively. The diethoxymethyl group can be easily removed by subsequent treatment with trifluoroacetic acid and NaOH.

Cyclic amidines derived from benz[c,d]indole and 4,5-dihydro-3H-1-benzazepine including some related compounds: Synthesis and pharmacological screening

Protiva,Sedivy,Holubek,et al.

, p. 1888 - 1898 (2007/10/02)

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