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77798-78-8

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77798-78-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77798-78-8 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 8 respectively.
Calculate Digit Verification of CAS Registry Number 77798-78:
(7*7)+(6*7)+(5*7)+(4*9)+(3*8)+(2*7)+(1*8)=208
208 % 10 = 8
So 77798-78-8 is a valid CAS Registry Number.

77798-78-8Downstream Products

77798-78-8Relevant 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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