90691-82-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90691-82-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,9 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90691-82:
(7*9)+(6*0)+(5*6)+(4*9)+(3*1)+(2*8)+(1*2)=150
150 % 10 = 0
So 90691-82-0 is a valid CAS Registry Number.
90691-82-0Relevant articles and documents
REACTION OF CARBON DIOXIDE WITH TRIALKYLALKYNYL BORATES - A NOVEL METHOD FOR THE SYNTHESIS OF STEREOSPECIFIC α,β-UNSATURATED ACIDS
Min-zhi, Deng,Yong-ti, Tang,Wei-hua, Xu
, p. 1797 - 1800 (2007/10/02)
Carboxylation of lithium trialkylalkynylborate can take place under favourable conditions.Protonation of the reaction product yields (Z)-α,β-unsaturated acid.