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1187758-97-9

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1187758-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1187758-97-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,7,5 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1187758-97:
(9*1)+(8*1)+(7*8)+(6*7)+(5*7)+(4*5)+(3*8)+(2*9)+(1*7)=219
219 % 10 = 9
So 1187758-97-9 is a valid CAS Registry Number.

1187758-97-9Relevant articles and documents

Novel photolabile protecting group for phosphate compounds

Zhang, Youlai,Tanimoto, Hiroki,Nishiyama, Yasuhiro,Morimoto, Tsumoru,Kakiuchi, Kiyomi

, p. 367 - 370 (2012/03/11)

A novel photolabile protecting group, thiochromone S,S-dioxide, containing the diazomethyl group for protection of phosphate derivatives is described. Deprotection of the successfully protected phosphate derivatives proceeded smoothly under photoirradiation using an ultrahigh-pressure mercury lamp to recover the corresponding phosphates quantitatively, and the photoproduct derived from the thiochromone derivative showed high fluorescence intensity. Georg Thieme Verlag Stuttgart · New York.

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