195821-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195821-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,8,2 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 195821-55:
(8*1)+(7*9)+(6*5)+(5*8)+(4*2)+(3*1)+(2*5)+(1*5)=167
167 % 10 = 7
So 195821-55-7 is a valid CAS Registry Number.
195821-55-7Relevant articles and documents
Radical catalysed cyclisations onto sulfone-substituted indoles
Caddick,Shering,Wadman
, p. 465 - 473 (2007/10/03)
A new radical chain process catalysed by sulfonyl radicals has been used for the synthesis of functionalised indoles. (C) 2000 Elsevier Science Ltd.