56961-13-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56961-13-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,6 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56961-13:
(7*5)+(6*6)+(5*9)+(4*6)+(3*1)+(2*1)+(1*3)=148
148 % 10 = 8
So 56961-13-8 is a valid CAS Registry Number.
56961-13-8Relevant articles and documents
Synthesis of tetra- and pentasubstituted benzenes from dimedone and derivatives
Nelson,Nelson
, p. 1287 - 1290 (2007/10/02)
Treatment of dimedone (5,5-dimethylcyclohexane-1,3-dione) and derivatives with one molar equivalent of sulfuric acid in trifluoroacetic anhydride leads, via sulfonation and a 1,2-methyl group migration, to a variety of dimethylresorcinol derivatives. The
