137940-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137940-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,4 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137940-61:
(8*1)+(7*3)+(6*7)+(5*9)+(4*4)+(3*0)+(2*6)+(1*1)=145
145 % 10 = 5
So 137940-61-5 is a valid CAS Registry Number.
137940-61-5Relevant academic research and scientific papers
N,O-coordinated bivalent nickel complex with binaphthol structure and preparation method thereof
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Paragraph 0039; 0040; 0041, (2017/08/29)
The invention provides N,O-coordinated bivalent nickel complex with binaphthol structure, having a structural formula shown in the description; the invention also provides a preparation method of the N,O-coordinated bivalent nickel complex with binaphthol
