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77798-79-9

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77798-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77798-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,9 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77798-79:
(7*7)+(6*7)+(5*7)+(4*9)+(3*8)+(2*7)+(1*9)=209
209 % 10 = 9
So 77798-79-9 is a valid CAS Registry Number.

77798-79-9Downstream Products

77798-79-9Relevant articles and documents

Synthese von zweifach ueberbrueckten 2,5-Diamino-1,4-dialkyl-3,6-dimethoxybenzol-Derivaten als -Praerotaxane

Schill, Gottfried,Ortlieb, Heribert

, p. 877 - 890 (2007/10/02)

Starting with 2,5-dimethoxyterephthaldialdehyde (1) and the triphenylphosphorane 2 the double bridged 2,5-diaminohydroquinone derivative 20 is synthesised in a multistep reaction sequence.Via the dibromide 21 as intermediate, the -prerotaxane 22 is obt

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