77225-20-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77225-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,2 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77225-20:
(7*7)+(6*7)+(5*2)+(4*2)+(3*5)+(2*2)+(1*0)=128
128 % 10 = 8
So 77225-20-8 is a valid CAS Registry Number.
77225-20-8Relevant articles and documents
THE REACTION OF 1,3-DICHLORO-1,1,3,3-TETRAISOPROPYLDISILOXANE WITH SOME OPEN CHAIN POLYHYDROXY COMPOUNDS
Markiewicz, Wojciech T.,Samek, Zdenek,Smrt, Jiri
, p. 4523 - 4524 (2007/10/02)
1,3-Dichloro-1,1,3,3-tetraisopropyldisiloxane (I) forms an 8-membered ring (IIIa) with glycerol, a 7-membered ring (Va) with D-erythropentose phenylosazone (IV) and linear polymers with 1,4-butanediol resp.