257876-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257876-95-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,8,7 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 257876-95:
(8*2)+(7*5)+(6*7)+(5*8)+(4*7)+(3*6)+(2*9)+(1*5)=202
202 % 10 = 2
So 257876-95-2 is a valid CAS Registry Number.
257876-95-2Relevant articles and documents
Synthesis of 3-deoxy-3,3-difluoroshikimic acid and its 4-epimer from quinic acid
Jiang, Shende,Singh, Gurdial,Boam, Deborah J.,Coggins, John R.
, p. 4087 - 4090 (1999)
3-Deoxy-3,3-difluoroshikimic acid 2 and its 4-epimer 3 as new analogues of shikimic acid have been synthesised from quinic acid in overall yields of 30% and 12%, respectively.
