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220337-58-6

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220337-58-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220337-58-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,3,3 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 220337-58:
(8*2)+(7*2)+(6*0)+(5*3)+(4*3)+(3*7)+(2*5)+(1*8)=96
96 % 10 = 6
So 220337-58-6 is a valid CAS Registry Number.

220337-58-6Downstream Products

220337-58-6Relevant articles and documents

Agent and method for permanent shaping of hair and method for the production of N-alkylmercaptoacetamides

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, (2008/06/13)

The aqueous ready-to-apply composition for permanent waving of hair has a pH of 4 to 8.5 and from 3 to 28% by weight of at least one N-alkylmercaptoacetamide of formula (I): wherein R represents a straight-chain alkyl group having from 3 to 6 carbon atoms or a straight-chain hydroxyalkyl group having from 3 to 6 carbon atoms; or a salt thereof; and at least one standard cosmetic additive ingredient, such as thickeners, wetting agents and emulsifiers, perfume oils, conditioners and buffer substances. The ready-to-apply composition can be made by mixing two or more components, one of which contains the N-alkylmercaptoacetamide. A method for permanent waving of hair using the ready-to-apply composition is also described. A process for making the N-alkylmercapto-acetamides includes reacting a suitable amine with methylthioglycolate under a protective gas atmosphere at temperatures that are not greater than 30° C.

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