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6335-18-8

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6335-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6335-18-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,3 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6335-18:
(6*6)+(5*3)+(4*3)+(3*5)+(2*1)+(1*8)=88
88 % 10 = 8
So 6335-18-8 is a valid CAS Registry Number.

6335-18-8Downstream Products

6335-18-8Relevant articles and documents

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Manske et al.

, p. 526,532 (1951)

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Competition of substituents for ortho direction of metalation of veratric acid

Chau, Nguyet Trang Thanh,Nguyen, Thi Huu,Castanet, Anne-Sophie,Nguyen, Kim Phi Phung,Mortier, Jacques

, p. 10552 - 10557 (2008/12/23)

LTMP (5 equiv) metalates randomly veratric acid (1). Under external quench conditions, the thermodynamically more stable lithium 2-lithio-3,4-dimethoxybenzoate (2) reacts with a variety of electrophiles to give versatile building units that are not easily accessible by conventional means. Under in situ quench conditions (LTMP/TMSCl), a reversal of regioselectivity is observed and 6-trimethylsilyl-3,4-dimethoxybenzoic acid (10) is formed predominantly.

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