6887-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6887-98-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,8 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6887-98:
(6*6)+(5*8)+(4*8)+(3*7)+(2*9)+(1*8)=155
155 % 10 = 5
So 6887-98-5 is a valid CAS Registry Number.
6887-98-5Relevant articles and documents
Preparation method of isoflavone compounds
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Paragraph 0049; 0051; 0059-0061, (2019/10/10)
The invention belongs to the technical field of medicine, and particularly discloses a preparation method of isoflavone compounds. The structures of the compounds are shown in the formula I and the formula II. According to the preparation method, genistei
