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135518-57-9

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135518-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135518-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,5,1 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 135518-57:
(8*1)+(7*3)+(6*5)+(5*5)+(4*1)+(3*8)+(2*5)+(1*7)=129
129 % 10 = 9
So 135518-57-9 is a valid CAS Registry Number.

135518-57-9Downstream Products

135518-57-9Relevant articles and documents

New method for synthesizing (S)-metolachlor and its analogue

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Paragraph 0037-0040; 0047; 0048, (2020/03/12)

The invention relates to a new method for preparing (S)-metolachlor and its analogue. The (S)-metolachlor is taken as an example: the (S)-metolachlor is prepared from 2-methyl-6-ethylaniline and R-propylene glycol monomethyl ether through a four-step reaction. The method has the advantages of cheap and easily available raw materials, mild reaction conditions, high efficiency and very simple separation process.

Novel 2,6-disubstituted primary para-phenylenediamines and process for their use in the oxidation dyeing of keratin fibers

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Page/Page column 16, (2010/11/26)

Disclosed herein are 2,6-disubstituted para-phenylenediamine compounds chosen from compounds of formula (I) and the salts and solvates thereof: Also disclosed herein are the corresponding intermediate compounds. Further disclosed herein is a composition f

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