161747-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161747-23-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,7,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 161747-23:
(8*1)+(7*6)+(6*1)+(5*7)+(4*4)+(3*7)+(2*2)+(1*3)=135
135 % 10 = 5
So 161747-23-5 is a valid CAS Registry Number.
161747-23-5Relevant articles and documents
The Synthesis of 6-Deoxy-D-galactoheptose
Pakulski, Z.,Zamoyski, A.
, p. 1109 - 1114 (2007/10/02)
6-Deoxy-D-galactoheptopyranose has been obtained from 1,2:3,4-di-O-isopropylidene-α-D-galacto-hexodialdo-1,5-pyranose via the Wittig reaction with methoxymethylenetriphenylphosphorane and subsequent hydrolytic and reduction steps. 6-Deoxy-D-galactoheptose
