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173467-19-1

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173467-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173467-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,6 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 173467-19:
(8*1)+(7*7)+(6*3)+(5*4)+(4*6)+(3*7)+(2*1)+(1*9)=151
151 % 10 = 1
So 173467-19-1 is a valid CAS Registry Number.

173467-19-1Relevant articles and documents

Novel practical synthesis of Kdn2en and its C-4 nitrogen-modified derivatives

Sun, Xue-Long,Sato, Noriko,Kai, Toshitsugu,Furuhata, Kimio

, p. 1 - 6 (1999)

A practical synthesis of Kdn2en and 4-amino-4-deoxy-Kdn2en has been achieved via a key intermediate, methyl 4,5,7,8,9-penta-O-acetyl-2,6-anhydro- 3-deoxy-D-glycero-D-galacto-non-2-enonate, which has been prepared from Kdn in three steps in 91% overall yield. (C) 2000 Elsevier Science Ltd.

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