89864-98-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89864-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,6 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89864-98:
(7*8)+(6*9)+(5*8)+(4*6)+(3*4)+(2*9)+(1*8)=212
212 % 10 = 2
So 89864-98-2 is a valid CAS Registry Number.
89864-98-2Relevant articles and documents
NEW METHODS AND REAGENTS IN ORGANIC SYNTHESIS. 41. LITHIUM TRIMETHYLSILYLDIAZOMETHANE. A NEW SYNTHON FOR THE PREPARATION OF PYRAZOLES FROM α,β-UNSATURATED NITRILES
Aoyama, Toyohiko,Inoue, Sumie,Shioiri, Takayuki
, p. 433 - 436 (2007/10/02)
Lithium trimethylsilyldiazomethane reacts smoothly with various α,β-unsaturated nitriles to give 3(or 5)-trimethylsilylpyrazoles in good yields.
