94244-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94244-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,4 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 94244-83:
(7*9)+(6*4)+(5*2)+(4*4)+(3*4)+(2*8)+(1*3)=144
144 % 10 = 4
So 94244-83-4 is a valid CAS Registry Number.
94244-83-4Relevant articles and documents
SYNTHESIS OF REGIOISOMERS OF VARIOUS 7-O-SUBSTITUTED PRECOCENE-3 ANALOGUES
Timar, Tibor,Jaszberenyi, J. Csaba,Hosztafi, Sandor
, p. 487 - 496 (2007/10/02)
The synthesis of benzopyran compounds (VIIa-j), regioisomers of precocene-3 (II) containing various 7-O-substituents, is described .