81812-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81812-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,8,1 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81812-63:
(7*8)+(6*1)+(5*8)+(4*1)+(3*2)+(2*6)+(1*3)=127
127 % 10 = 7
So 81812-63-7 is a valid CAS Registry Number.
81812-63-7Relevant articles and documents
REACTIONS OF 5,6-DIAMINO-1,3-DIMETHYLURACIL WITH D-XYLOSE. SYNTHESIS OF 7-XYLOPYRANOSYLXANTHINE
Gomez, Rodrigo Rico
, p. 633 - 636 (2007/10/02)
6-amino- and 6-acetylamino-5-(xylopyranosyl)acetylamino-1,3-dimethyluracils are synthetised from 4-amino-5-xylosylidenimino-1,3-dimethyluracil.Cyclisation to 7-xylopyranosylxanthine is carried out from booth 6-amino- and 6-acetylamino derivatives.
