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1403989-47-8

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1403989-47-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1403989-47-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,9,8 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1403989-47:
(9*1)+(8*4)+(7*0)+(6*3)+(5*9)+(4*8)+(3*9)+(2*4)+(1*7)=178
178 % 10 = 8
So 1403989-47-8 is a valid CAS Registry Number.

1403989-47-8Relevant articles and documents

Orthoamides and iminium salts, LXXX [1]. C-Glycosyl alkynecarboxylic acid orthoamides. Versatile intermediates in the synthesis of new types of highly substituted C-Nucleoside analogs

Drandarov, Konstantin,Kantlehner, Willi

, p. 699 - 716 (2012/11/07)

The C-glycosyl alkynecarboxylic acid orthoamides 22 and 23 are proposed as versatile precursors for the synthesis of new types of C-nucleoside analogs. The new synthetic strategy includes alkynylation of protected aldoses 13 or ketoses by Grignard ethynyl

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