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77455-53-9

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77455-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77455-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,5 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77455-53:
(7*7)+(6*7)+(5*4)+(4*5)+(3*5)+(2*5)+(1*3)=159
159 % 10 = 9
So 77455-53-9 is a valid CAS Registry Number.

77455-53-9Relevant articles and documents

Synthesis, larvicidal activity, and SAR studies of new benzoylphenylureas containing oxime ether and oxime ester group

Sun, Ranfeng,Li, Yongqiang,Lue, Maoyun,Xiong, Lixia,Wang, Qingmin

supporting information; experimental part, p. 4693 - 4699 (2010/10/02)

A series of new structural benzoylphenylureas (BPUs) containing oxime ether and oxime ester group were designed and synthesized. The larvicidal activities against Oriental armyworm and mosquito of these benzoylphenylureas were evaluated and the result of bioassay displayed specific structure-activity relationship (SAR). Most of the compounds exhibited excellent larvicidal activities against Oriental armyworm and mosquito. Interestingly, some compounds showed different structure-activity relationship towards diamondback moth, beet armyworm, and corn borer although three tested insects all belong to the same insect order.

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