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144102-56-7

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144102-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144102-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,1,0 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 144102-56:
(8*1)+(7*4)+(6*4)+(5*1)+(4*0)+(3*2)+(2*5)+(1*6)=87
87 % 10 = 7
So 144102-56-7 is a valid CAS Registry Number.

144102-56-7Relevant articles and documents

New applications of the protecting group di-(4-methoxyphenyl)methyl: N-protection of urethanes and uridines, and efficient removal by either ceric ammonium nitrate/silica or 2,3-dichloro-5,6-dicyanoquinone

AbuSbeih, Khaled,Bleasdale, Christine,Golding, Bernard T,Kitson, Sean L

, p. 4807 - 4810 (2007/10/02)

The protecting group di-(4-methoxyphenyl)methyl, removable by ceric ammonium nitrate on silica or 2,3-dichloro-5,6-dicyanoquinone, is shown to facilitate syntheses of urethanes (eg vinyl urethane, 1a) and uridine derivatives (eg 2-O-allyluridine, 8).

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