18658-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18658-09-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,5 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18658-09:
(7*1)+(6*8)+(5*6)+(4*5)+(3*8)+(2*0)+(1*9)=138
138 % 10 = 8
So 18658-09-8 is a valid CAS Registry Number.
18658-09-8Relevant articles and documents
Indole derivative and synthesis method thereof (by machine translation)
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, (2020/11/23)
The invention belongs to the technical field of organic synthesis, and relates to a (Z)-4 - ((2 - (5 - () -2 - methyl - 111H-indo -3 -(phenyl) methyl) -1, 3 - benzenediol and a synthesis method thereof. The synthesis method comprises the following steps: