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638989-54-5

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638989-54-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 638989-54-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,8,9,8 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 638989-54:
(8*6)+(7*3)+(6*8)+(5*9)+(4*8)+(3*9)+(2*5)+(1*4)=235
235 % 10 = 5
So 638989-54-5 is a valid CAS Registry Number.

638989-54-5Relevant articles and documents

HIGHLY AFFINE COSMETIC AGENT

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Page 23; 24, (2008/06/13)

The invention relates to a cosmetic agent which is made essentially of a peptide linker and at least one cosmetic active ingredient which is covalently connected thereto.

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