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35354-30-4

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35354-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35354-30-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,3,5 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 35354-30:
(7*3)+(6*5)+(5*3)+(4*5)+(3*4)+(2*3)+(1*0)=104
104 % 10 = 4
So 35354-30-4 is a valid CAS Registry Number.

35354-30-4Relevant articles and documents

Preparation method of 3,5-dihydroxybenzyl alcohol

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, (2017/05/27)

The invention relates to a preparation method of a medical and chemical intermediate 3,5-dihydroxybenzyl alcohol. The method comprises the following steps of: with commercially available 3,5-dihydroxy-benzoic acid as a raw material, preparing 3,5-diacetoxybenzoic acid through an acetylation reaction; reducing carboxyl into alcohol by a sodium borohydride/iodine borohydride system; and finally, performing acetyl de-protection using a weak base solution to obtain the target product 3,5-dihydroxybenzyl alcohol. The synthesis path has the characteristics of cheap and easily available reagent, mild reaction conditions, easiness in operation, easiness in product separation, relatively high yield and the like.

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