19520-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19520-87-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,2 and 0 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19520-87:
(7*1)+(6*9)+(5*5)+(4*2)+(3*0)+(2*8)+(1*7)=117
117 % 10 = 7
So 19520-87-7 is a valid CAS Registry Number.
19520-87-7Relevant articles and documents
The N-(2-acetoxyethyl) group as a new photolabile protecting group
Cossy, Janine,Rakotoarisoa, Haja
, p. 2097 - 2099 (2000)
The N-(2-acetoxyethyl) group can be cleaved by a photoinduced single electron transfer to 4,4'-dimethoxybenzophenone. (C) 2000 Published by Elsevier Science Ltd.