158840-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158840-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,8,4 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158840-52:
(8*1)+(7*5)+(6*8)+(5*8)+(4*4)+(3*0)+(2*5)+(1*2)=159
159 % 10 = 9
So 158840-52-9 is a valid CAS Registry Number.
158840-52-9Relevant articles and documents
2-HYDROXYPHENYLALKYLAMINE DERIVATIVES AND MAILLARD REACTION INHIBITORS
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, (2008/06/13)
The present invention relates to a 2-hydroxyphenyl alkylamine derivative represented by the general formula: wherein R1, R2, R3and R4are the same or different: and each represents a hydrogen atom, a lower alkyl