97231-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97231-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,3 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97231-21:
(7*9)+(6*7)+(5*2)+(4*3)+(3*1)+(2*2)+(1*1)=135
135 % 10 = 5
So 97231-21-5 is a valid CAS Registry Number.
97231-21-5Relevant articles and documents
Novel resorcinol derivatives for skin
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Page/Page column 7; 8, (2008/06/13)
New 4-substituted resorcinol derivatives of general formula I and/or B and process for synthesizing same, cosmetic compositions and methods of using same, particularly for skin lightening: Wherein X1 and/or X2 represents hydrogen (H)