67027-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67027-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,0,2 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 67027-20:
(7*6)+(6*7)+(5*0)+(4*2)+(3*7)+(2*2)+(1*0)=117
117 % 10 = 7
So 67027-20-7 is a valid CAS Registry Number.
67027-20-7Relevant articles and documents
FIBRE-REACTIVE AZO DYES, THEIR PREPARATION AND THEIR USE
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Page/Page column 23, (2011/02/24)
Reactive dyes of the formula (1) wherein B is an aliphatic bridging member, G is a sulfo naphthalene group or a sulfo benzene group of the formula (2a) or a pyridone radical of the formula (2b), R1, R2, R3 and R4/sub