139656-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139656-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,5 and 6 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139656-48:
(8*1)+(7*3)+(6*9)+(5*6)+(4*5)+(3*6)+(2*4)+(1*8)=167
167 % 10 = 7
So 139656-48-7 is a valid CAS Registry Number.
139656-48-7Relevant articles and documents
REACTIONS OF VICINAL DITRIFLATES WITH BENZOATE AND NITRITE ANIONS
Binkley, Roger W.
, p. 111 - 124 (2007/10/02)
The four possible methyl 2,6-dideoxy-β-D-hexopyranosides were converted into the corresponding vicinal ditriflates 1-4 and these compounds (1-4) were reacted with tetrabutylammonium benzoate and with tetrabutylammonium nitrite.In most cases two SN/s