72541-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72541-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,4 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72541-81:
(7*7)+(6*2)+(5*5)+(4*4)+(3*1)+(2*8)+(1*1)=122
122 % 10 = 2
So 72541-81-2 is a valid CAS Registry Number.
72541-81-2Relevant articles and documents
Addition-Rearrangement Reactions of Halogenated Thiophene Dioxides with Furans
Raasch, Maynard S.
, p. 867 - 870 (2007/10/02)
Dichloro-, tetrachloro-, and tetrabromothiophene dioxides undergo novel addition-rearrangement reactions with furans to form halobenzyl carbonyl compounds.
