37721-85-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37721-85-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,2 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 37721-85:
(7*3)+(6*7)+(5*7)+(4*2)+(3*1)+(2*8)+(1*5)=130
130 % 10 = 0
So 37721-85-0 is a valid CAS Registry Number.
37721-85-0Relevant articles and documents
Method for preparing intermediate for drug for treating ovarian cancer
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Paragraph 0063-0067, (2019/01/08)
The invention belongs to the technical field of chemical drugs, and particularly relates to a method for preparing an intermediate for a drug for treating ovarian cancer. According to the method, zirconium n-butoxide and ferric chloride serve as raw mater