52688-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52688-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,6,8 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52688-57:
(7*5)+(6*2)+(5*6)+(4*8)+(3*8)+(2*5)+(1*7)=150
150 % 10 = 0
So 52688-57-0 is a valid CAS Registry Number.
52688-57-0Relevant articles and documents
Certain benzothiazolium compounds
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, (2008/06/13)
Novel substantially colorless dye precursors represented by the formula STR1 WHEREIN R1 is hydrogen or alkyl; R2, R3 and R5 is alkyl; R4 is alkyl or phenyl; Z, taken with N, represents the atoms necessary to make a benzthiazole radical; X is an acid anion; and n is 1 when R5 carries a negative charge and 2 when R5 is electrically neutral.