70442-00-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70442-00-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,4,4 and 2 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70442-00:
(7*7)+(6*0)+(5*4)+(4*4)+(3*2)+(2*0)+(1*0)=91
91 % 10 = 1
So 70442-00-1 is a valid CAS Registry Number.
70442-00-1Relevant academic research and scientific papers
SYNTHESIS OF ANALOGUES OF NATURAL PRECOCENES CONTAINING A 5-METHYL SUBSTITUENT
Timar, Tibor,Jaszberenyi, J. Csaba,Hosztafi, Sandor
, p. 457 - 464 (2007/10/02)
The synthesis of benzopyran compounds (VII a-q), analogues of precocene I (I) substituted on C-5 in the aromatic ring with a methyl group, is described.