1135821-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1135821-12-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,5,8,2 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1135821-12:
(9*1)+(8*1)+(7*3)+(6*5)+(5*8)+(4*2)+(3*1)+(2*1)+(1*2)=123
123 % 10 = 3
So 1135821-12-3 is a valid CAS Registry Number.
1135821-12-3Relevant articles and documents
Stereoselective Wittig olefination reactions employing a novel ortho-P-aryl alkoxide effect
McNulty, James,Keskar, Kunal
scheme or table, p. 7054 - 7057 (2009/04/07)
Non-stabilized ortho-P-alkoxy-substituted ylides react with aromatic and aliphatic aldehydes providing (E)-olefins with high stereocontrol, also allowing easy phosphine oxide removal in certain cases.