136399-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136399-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,9 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 136399-20:
(8*1)+(7*3)+(6*6)+(5*3)+(4*9)+(3*9)+(2*2)+(1*0)=147
147 % 10 = 7
So 136399-20-7 is a valid CAS Registry Number.
136399-20-7Relevant articles and documents
SYNTHESIS OF 1-NITRO-2-SULFONYLALKENES
Mukhina, E. S.,Pavlova, Z. F.,Nekrasova, G. V.,Lipina, E. S.,Perekhalin, V. V.
, p. 1973 - 1977 (2007/10/02)
The oxidative method of formation of an ethylene bond, involving two-electron oxidation of the dianions of 1-nitro-2-sulfonylalkanes, was used for the first time for the synthesis of 1-nitro-2-sulfonylalkenes.
