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38880-54-5

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38880-54-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38880-54-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,8,8 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 38880-54:
(7*3)+(6*8)+(5*8)+(4*8)+(3*0)+(2*5)+(1*4)=155
155 % 10 = 5
So 38880-54-5 is a valid CAS Registry Number.

38880-54-5Upstream product

38880-54-5Relevant articles and documents

Use of 2-(sulphonylamino) phenols as couplers in oxidation colouring

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, (2008/06/13)

The invention relates to the field of the oxidation dyeing of keratinous fibres and in particular of human keratinous fibers, such as the hair. The invention relates more particularly to the use of certain 2-(sulphonylamino)phenols of following formula (I) as coupler in combination with oxidation dye precursors for 1the oxidation dyeing of the fibers.

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