289894-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289894-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,8,9 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 289894-89:
(8*2)+(7*8)+(6*9)+(5*8)+(4*9)+(3*4)+(2*8)+(1*9)=239
239 % 10 = 9
So 289894-89-9 is a valid CAS Registry Number.
289894-89-9Relevant articles and documents
Expanded scope in ethylene-alkyne cross-metathesis: coordinating heteroatom functionality at the propargylic position.
Smulik,Diver
, p. 2271 - 2274 (2000)
The Grubbs 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene-substituted ruthenium complex 1 catalyzed ethylene-alkyne cross-metathesis and was shown to tolerate free hydroxyl groups and coordinating functionality at the propargylic and homopropargylic position
