58259-46-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58259-46-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,2,5 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 58259-46:
(7*5)+(6*8)+(5*2)+(4*5)+(3*9)+(2*4)+(1*6)=154
154 % 10 = 4
So 58259-46-4 is a valid CAS Registry Number.
58259-46-4Relevant articles and documents
Preparation method of 4-hydroxymethyl-3-methoxyphenoxyacetic acid
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Paragraph 0060; 0063; 0066; 0069; 0072, (2018/05/16)
The invention discloses a preparation method of 4-hydroxymethyl-3-methoxyphenoxyacetic acid, comprising the steps of a) subjecting the start material 2,4-dihydroxybenzaldehyde and halogenated ethyl acetate to nucleophilic substitution reaction under the a