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205441-87-8

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205441-87-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205441-87-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,4 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 205441-87:
(8*2)+(7*0)+(6*5)+(5*4)+(4*4)+(3*1)+(2*8)+(1*7)=108
108 % 10 = 8
So 205441-87-8 is a valid CAS Registry Number.

205441-87-8Downstream Products

205441-87-8Relevant articles and documents

A stereoselective synthesis of 4-O-methyl-13-desacetyl-12,13-di-o-benzylcarzinophilin

Hashimoto, Masaru,Terashima, Shiro

, p. 59 - 64 (2007/10/03)

The title synthesis was achieved by the synthetic scheme featuring the following four key steps: i) coupling of the methyl thioimidate with the 2-oxazolin-5-one (5+6→13), ii) construction of the C17-C21 functionality by the use of Sharpless asymmetric dih

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