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228873-32-3

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228873-32-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 228873-32-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,8,7 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 228873-32:
(8*2)+(7*2)+(6*8)+(5*8)+(4*7)+(3*3)+(2*3)+(1*2)=163
163 % 10 = 3
So 228873-32-3 is a valid CAS Registry Number.

228873-32-3Relevant articles and documents

An efficient synthesis of mixed β-carbonates of acyl-protected sugar and their decarboxylative glycosidation promoted by trimethylsilyl trifluoromethanesulfonate

Azumaya, Isao,Niwa, Toshihiro,Kotani, Masaomi,Iimori, Takamasa,Ikegami, Shiro

, p. 4683 - 4686 (2007/10/03)

Mixed β-carbonates of acyl-protected sugar are stereoselectively prepared by using an N-succinimidyl group for activation of the acceptor alcohol carbonate. The glycosyl carbonates are smoothly decarboxylated by trimethylsilyl trifluoromethanesulfonate (M

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