136992-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136992-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,9 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136992-18:
(8*1)+(7*3)+(6*6)+(5*9)+(4*9)+(3*2)+(2*1)+(1*8)=162
162 % 10 = 2
So 136992-18-2 is a valid CAS Registry Number.
136992-18-2Relevant articles and documents
The First Synthesis of Se-Methyl Carboxylic Thionoselenolesters
Khalid, Mohamed,Ripoll, Jean-Louis,Vallee, Yannick
, p. 964 - 965 (1991)
Reaction of carboxylic thionoesters with dimethylaluminium methylselenolate in diethyl ether gave the corresponding Se-methyl thionoselenolesters in 87-98percent yield.
