97273-02-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97273-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,7 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 97273-02:
(7*9)+(6*7)+(5*2)+(4*7)+(3*3)+(2*0)+(1*2)=154
154 % 10 = 4
So 97273-02-4 is a valid CAS Registry Number.
97273-02-4Relevant articles and documents
Sultam compound and preparation method thereof
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Paragraph 0125-0127; 0135-0138, (2019/11/12)
The invention provides a sultam compound and a preparation method thereof. The method provided by the invention specifically comprises the following steps: putting a catalyst C, sulfamide B and an oxidant D into an organic solvent, performing a reaction,