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1233717-62-8

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1233717-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233717-62-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,7,1 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1233717-62:
(9*1)+(8*2)+(7*3)+(6*3)+(5*7)+(4*1)+(3*7)+(2*6)+(1*2)=138
138 % 10 = 8
So 1233717-62-8 is a valid CAS Registry Number.

1233717-62-8Downstream Products

1233717-62-8Relevant articles and documents

SULFATED C-GLYCOSIDE, METHOD FOR ISOLATING SAME AND METHOD FOR SYNTHESIZING SAME

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Page/Page column 26, (2011/11/13)

Provided are a sulfated C-glycoside which is a novel compound serving as a precursor of chafuroside and chafuroside analogs; a method for efficiently producing the sulfated C-glycoside; and a method for efficiently producing chafuroside and chafuroside analogs using said sulfated C-glycoside. A sulfated C-glycoside represented by general formula (A1) or (B1) [wherein R1, R2 and R3 independently represent each a hydrogen atom or an OH group] is obtained by extracting tea leaves or tea tannins with water, a lower alcohol solvent having 1 to 3 carbon atoms or a liquid mixture comprising the same. Alternatively, the sulfated C-glycoside is produced by reacting a flavone C-glycoside such as isovitexin or vitexin with a sulfate group-introducing agent to thereby sulfate the flavone C-glycoside. By heating the sulfated C-glycoside thus obtained, chafuroside and chafuroside analogs are efficiently produced.

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