858355-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858355-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,3,5 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 858355-84:
(8*8)+(7*5)+(6*8)+(5*3)+(4*5)+(3*5)+(2*8)+(1*4)=217
217 % 10 = 7
So 858355-84-7 is a valid CAS Registry Number.
858355-84-7Relevant articles and documents
Reactive azo dyes, their preparation and their use
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Page/Page column 9-10, (2010/02/12)
The present invention relates to reactive dyes of the general formula (1) where Y is a heterocyclic reactive group of the general formula (2) or (3) where X1 to X5 are each as defined in claim 1, processes for their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
