19597-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19597-55-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,9 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19597-55:
(7*1)+(6*9)+(5*5)+(4*9)+(3*7)+(2*5)+(1*5)=158
158 % 10 = 8
So 19597-55-8 is a valid CAS Registry Number.
19597-55-8Relevant articles and documents
PROCESS FOR PREPARING TAPINAROF
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Paragraph 0309; 0315; 0316, (2019/05/24)
The present invention provides processes for the preparation of 3, 5-Dihydroxy-4-isopropyl-trans-stilbene or a salt or solvate thereof and novel intermediates used therein. In some embodiments the 3, 5-Dihydroxy-4-isopropyl-trans-stilbene is prepared from