74708-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74708-51-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,0 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74708-51:
(7*7)+(6*4)+(5*7)+(4*0)+(3*8)+(2*5)+(1*1)=143
143 % 10 = 3
So 74708-51-3 is a valid CAS Registry Number.
InChI:InChI=1/C16H20O6/c1-16(2)21-13-12-11(19-15(13)22-16)10(8-17)18-14(20-12)9-6-4-3-5-7-9/h3-7,10-15,17H,8H2,1-2H3/t10-,11-,12+,13-,14+,15-/m1/s1
74708-51-3Relevant articles and documents
An Improvement in the Preparation of Some Carbohydrate Benzylidene Acetals
Ferro, Vito,Mocerino, Mauro,Stick, Robert V.,Tilbrook, D. Matthew G.
, p. 813 - 815 (2007/10/02)
Carbohydrate benzylidene and p-methoxybenzylidene acetals are easily prepared by treatment of various sugar derivatives with either benzaldehyde diethyl acetal or p-methoxybenzaldehyde diethyl acetal, respectively, in refluxing chloroform containing camph