89969-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89969-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,6 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89969-59:
(7*8)+(6*9)+(5*9)+(4*6)+(3*9)+(2*5)+(1*9)=225
225 % 10 = 5
So 89969-59-5 is a valid CAS Registry Number.
89969-59-5Relevant articles and documents
FUNCTIONALIZED DERIVATIVES OF DIBENZODIPYRAZOLOHEXAAZACYCLOTETRADECINATE
Dziomko, V. M.,Kalninya, R. O.,Ryabokobylko, Yu. S.,Shmelev, L. V.,Adamova, G. M.,et al.
, p. 89 - 96 (1984)
A number of derivatives of dibenzodipyrazolohexaazacyclotetradecinate with peripheral nitro, amino and acetylamino groups have been synthesized.