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2151-17-9

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2151-17-9 Usage

Preparation

obtained by acylation of 2-chloro-3-,5-dimethoxy-phenol,with 4-acetoxy-2-methoxy-6-meth-? ylbenzoyl chloride in the presence of aluminium chloride in nitrobenzene at r.t. for 20 h (35%) (FriedelCrafts reaction);with 4-acetoxy-2-methoxy-6-methylbenzoic acid in the presence of trifluo-? roacetic anhydride at 20° for 18 h (50%) ;with 2-methoxy-4-methoxycarbonyl-6-methylbenzoyl chloride in the pres-? ence of aluminium chloride in nitrobenzene at r.t.

Check Digit Verification of cas no

The CAS Registry Mumber 2151-17-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,5 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2151-17:
(6*2)+(5*1)+(4*5)+(3*1)+(2*1)+(1*7)=49
49 % 10 = 9
So 2151-17-9 is a valid CAS Registry Number.

2151-17-9Downstream Products

2151-17-9Relevant articles and documents

Microbial transformation of (+)- and (-)-2'-demethoxydehydrogriseofulvin by Streptomyces cinereocrocatus

Oda,Sato

, p. 934 - 946 (2007/10/02)

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