102691-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102691-09-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,6,9 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 102691-09:
(8*1)+(7*0)+(6*2)+(5*6)+(4*9)+(3*1)+(2*0)+(1*9)=98
98 % 10 = 8
So 102691-09-8 is a valid CAS Registry Number.
102691-09-8Relevant articles and documents
HYDRAZINE DERIVATIVES OF DEHYDRO-L-ASCORBIC ACID
Atta, Kamal,Hauptmann, Siegfried,Wilde, Horst
, p. 37 - 44 (2007/10/02)
Condensation of L-threo-2,3-hexodiulosono-1,4-lactone (1) with 2 mol of o-nitrophenylhydrazine gave the bis(o-nitrophenylhydrazone) 2, oxidation of which with cupric chloride afforded 3,6-anhydro-3-(o-nitrophenylazo)-L-xylo-2-hexulosono-1,4-lactone 2-(o-n
