499157-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 499157-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,1,5 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 499157-33:
(8*4)+(7*9)+(6*9)+(5*1)+(4*5)+(3*7)+(2*3)+(1*3)=204
204 % 10 = 4
So 499157-33-4 is a valid CAS Registry Number.
499157-33-4Relevant articles and documents
CARBOXYLIC ACID DERIVATIVE COMPOUNDS AND DRUGS COMPRISING THESE COMPOUNDS AS THE ACTIVE INGREDIENT
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Page 340-341, (2010/02/07)
A carboxylic acid derivative of formula (I): wherein R1 is-COOH,-COOR6, etc.; A is a single bond, alkylene, etc.; R2 is alkyl, alkoxy, etc.; B is a carbocyclic ring or a heterocyclic ring; Q is alkylnene-Cyc2, etc.; D is a linking chain; and R3 is alkyl,