178100-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178100-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,1,0 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 178100-70:
(8*1)+(7*7)+(6*8)+(5*1)+(4*0)+(3*0)+(2*7)+(1*0)=124
124 % 10 = 4
So 178100-70-4 is a valid CAS Registry Number.
178100-70-4Relevant articles and documents
A new route to 1,1-difluoroolefins from carboxylic acids
Kim, Kyung-Il,McCarthy, James R.
, p. 3223 - 3226 (1996)
Methodology is described for the conversions of carboxylic acids to 1,1-difluoroolefins via α,α-difluorothioethers (3).