157458-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157458-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,5 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 157458-83:
(8*1)+(7*5)+(6*7)+(5*4)+(4*5)+(3*8)+(2*8)+(1*3)=168
168 % 10 = 8
So 157458-83-8 is a valid CAS Registry Number.
157458-83-8Relevant articles and documents
Supermesityl-Substituted Hydrazinoboranes
Geschwentner, Michael,Elter, Gernot,Meller, Anton
, p. 459 - 464 (2007/10/02)
Difluoro(supermesityl)borane reacts with monolithiated hydrazines to give the corresponding fluoroborylated hydrazines 1a-c, which could not be dehydrofluorinated to yield definite products.From dilithiated hydrazine the 1,2-borylated species 2 was obtain
