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21610-80-0

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21610-80-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21610-80-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,1 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21610-80:
(7*2)+(6*1)+(5*6)+(4*1)+(3*0)+(2*8)+(1*0)=70
70 % 10 = 0
So 21610-80-0 is a valid CAS Registry Number.

21610-80-0Relevant articles and documents

PHELLODENDRINE ANALOGS AND ALLERGY TYPE IV SUPPRESSOR CONTAINING THE SAME AS ACTIVE INGREDIENT

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, (2008/06/13)

Phellodendrine analogs represented by general formula (I), wherein A represents the group (a); B represents hydrogen, lower alkyl or lower acyl, or alternatively A and B together with the adjacent nitrogen atom form a substituted 1,2,3,4-tetrahydroisoquinoline ring represented by general formula (II), R11, R12, R21, R22, R31 and R32 represent each hydrogen, hydroxyl or lower alkoxy; n1 represents a number of 0 to 2; n2 represents a number of 1 and 2; and m1 represents a number of 0 to 1, provided tsat when A represents the group (b), and n2 is 2, B is lower acyl, and that when A and B together form a substituted 1,2,3,4-tetrahydroisoquinoline ring, n1 is 1 and m1 is not 0. These analogs (I) and related compounds have an excellent activity of suppressing allergy type IV and hence are utilizable as a medicine efficacious against diseases wherein allergy type IV participates, such as chronic hepatitis, intractable asthma, nephrotic syndrome or rheumatism.

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