The CAS Registry Mumber 3257-39-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,5 and 7 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 3257-39: (6*3)+(5*2)+(4*5)+(3*7)+(2*3)+(1*9)=84 84 % 10 = 4 So 3257-39-4 is a valid CAS Registry Number.
3257-39-4Upstream product
3257-39-4Downstream Products
Post a RFQ
1
What can I do for you? Get Best Price
Get Best Price for3257-39-44(3H)-Quinazolinone, 3-amino-6-chloro-2-methyl-