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117683-13-3

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117683-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117683-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,8 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117683-13:
(8*1)+(7*1)+(6*7)+(5*6)+(4*8)+(3*3)+(2*1)+(1*3)=133
133 % 10 = 3
So 117683-13-3 is a valid CAS Registry Number.

117683-13-3Relevant articles and documents

New Synthesis of Penta-N,O-acetyl-DL-validamine and Pseudo-2-amino-2-deoxy-α-DL-mannopyranose, and Their Uronate Analogs

Ogawa, Seiichiro,Suzuki, Motohiro,Tonegawa, Takeshi

, p. 1824 - 1826 (1988)

Treatment of the hydroxy lactone derived from (+/-)-endo-7-oxabicyclohept-5-ene-2-carboxylic acid with hydrogen bromide-acetic acid, followed by esterification, gave 48 percent of ethyl DL-(1,3,5/2,4)-5-bromo-2,3,4-trihydroxy-1-cyclohexanecarboxyla

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