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1140240-18-1

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1140240-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1140240-18-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,0,2,4 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1140240-18:
(9*1)+(8*1)+(7*4)+(6*0)+(5*2)+(4*4)+(3*0)+(2*1)+(1*8)=81
81 % 10 = 1
So 1140240-18-1 is a valid CAS Registry Number.

1140240-18-1Relevant articles and documents

Pyrazolone-fused pyrimidine compound as well as preparation method and application thereof

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Paragraph 0398-0401; 0450-0453, (2021/01/11)

The invention discloses a pyrazolone-fused pyrimidine compound as well as a preparation method and application thereof. The invention provides a pyrazolone-fused pyrimidine compound as shown in a formula I which is described in the specification. The pyrazolone-fused pyrimidine compound has better inhibitory activity on WEE1 kinase.

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