33654-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33654-64-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,5 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33654-64:
(7*3)+(6*3)+(5*6)+(4*5)+(3*4)+(2*6)+(1*4)=117
117 % 10 = 7
So 33654-64-7 is a valid CAS Registry Number.
33654-64-7Relevant articles and documents
A CONVENIENT APPROACH TO THE TOTAL SYNTHESIS OF (+/-) 4-DEMETHOXYDAUNOMYCINONE
Rao, A. V. Rama,Chanda, Bhanu,Borate, H. B.
, p. 3555 - 3561 (2007/10/02)
A convenient and most practical approach to the synthesis of (+/-) 4-demethoxydaunomycinone starting from 2-methylhydroquinone is described.