133031-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133031-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,3 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133031-66:
(8*1)+(7*3)+(6*3)+(5*0)+(4*3)+(3*1)+(2*6)+(1*6)=80
80 % 10 = 0
So 133031-66-0 is a valid CAS Registry Number.
133031-66-0Relevant articles and documents
Quantitative metalations of 2-substituted 1,3-dithianes at -78°C using n-BuLi/Na-O-t-Bu
Lipshutz,Garcia
, p. 7261 - 7264 (1990)
Substituted dithianes can be metalated rapidly at -78°C in a virtually quantitative fashion using n-BuLi and Na-O-t-Bu in THF. Subsequent introduction of an electrophile affords fully substituted masked ketone equivalents.
