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1388148-81-9

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1388148-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1388148-81-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,8,1,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1388148-81:
(9*1)+(8*3)+(7*8)+(6*8)+(5*1)+(4*4)+(3*8)+(2*8)+(1*1)=199
199 % 10 = 9
So 1388148-81-9 is a valid CAS Registry Number.

1388148-81-9Downstream Products

1388148-81-9Relevant articles and documents

ANTHRAPYRIDONE SULPHONIC ACID COMPOUNDS, PREPARATION AND USE THEREOF

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Paragraph 0155, (2013/03/26)

The present invention relates to a class of compounds of general formula (I) or their salts of general formula (II): In formula (I)-(II), the substituents (A)p and (SO3H)n on the benzene ring are at the ortho, meta or para position, n is 0-2, and p is 0-3 M is selected from Li+, Na+, K+, NH4+ or organic ammonium salt N+R1R2R3R4, where R1, R2, R3, R4 are the same or different H, C1-18 alkyl groups, cyclohexyl groups, CH2CH2OH, CH(CH3)CH2OH or benzyl groups; where p > 0, A stands for the same or different groups selected from: H, CN, NO2, NH2, F, Cl, Br, C1-18 alkyl group, cyclohexyl group, phenyl group, benzyl group, phenoxy group, C1-18 alkoxy group, C1-18 alkylthio group, SO2CH=CH2, SO2CH2CH2A1, NR6COR5 or NR6SO2R5.

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